Home / 340,631.01-510,946.56-91,319.49

Finding the Fourth Proportional to 340,631.01, 510,946.56 and 91,319.49

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Solution

The fourth proportional to 340,631.01, 510,946.56 and 91,319.49 is: 136,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,631.01 : 510,946.56 = 91,319.49 : x
  2. Step 2: Convert to fraction form
    340,631.01/510,946.56 = 91,319.49/x
  3. Step 3: Cross multiply
    340,631.01x = 510,946.56 × 91,319.49
  4. Step 4: Simplify right side
    340,631.01x = 46,659,379,276.45
  5. Step 5: Solve for x
    x = 46,659,379,276.45/340,631.01
  6. Step 6: Final answer
    x = 136,979.25

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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.