Home / 476,941.80-715,412.70-121,983.60

Finding the Fourth Proportional to 476,941.80, 715,412.70 and 121,983.60

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Solution

The fourth proportional to 476,941.80, 715,412.70 and 121,983.60 is: 182,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,941.80 : 715,412.70 = 121,983.60 : x
  2. Step 2: Convert to fraction form
    476,941.80/715,412.70 = 121,983.60/x
  3. Step 3: Cross multiply
    476,941.80x = 715,412.70 × 121,983.60
  4. Step 4: Simplify right side
    476,941.80x = 87,268,616,631.72
  5. Step 5: Solve for x
    x = 87,268,616,631.72/476,941.80
  6. Step 6: Final answer
    x = 182,975.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.