Home / 476,142.23-657,074.42-261,285.88

Finding the Fourth Proportional to 476,142.23, 657,074.42 and 261,285.88

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Solution

The fourth proportional to 476,142.23, 657,074.42 and 261,285.88 is: 360,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,142.23 : 657,074.42 = 261,285.88 : x
  2. Step 2: Convert to fraction form
    476,142.23/657,074.42 = 261,285.88/x
  3. Step 3: Cross multiply
    476,142.23x = 657,074.42 × 261,285.88
  4. Step 4: Simplify right side
    476,142.23x = 171,684,268,055.19
  5. Step 5: Solve for x
    x = 171,684,268,055.19/476,142.23
  6. Step 6: Final answer
    x = 360,573.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.