Home / 440,150.31-607,159.19-256,367.22

Finding the Fourth Proportional to 440,150.31, 607,159.19 and 256,367.22

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Solution

The fourth proportional to 440,150.31, 607,159.19 and 256,367.22 is: 353,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,150.31 : 607,159.19 = 256,367.22 : x
  2. Step 2: Convert to fraction form
    440,150.31/607,159.19 = 256,367.22/x
  3. Step 3: Cross multiply
    440,150.31x = 607,159.19 × 256,367.22
  4. Step 4: Simplify right side
    440,150.31x = 155,655,712,001.82
  5. Step 5: Solve for x
    x = 155,655,712,001.82/440,150.31
  6. Step 6: Final answer
    x = 353,642.17

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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.