Home / 418,530.34-577,569.02-227,543.74

Finding the Fourth Proportional to 418,530.34, 577,569.02 and 227,543.74

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Solution

The fourth proportional to 418,530.34, 577,569.02 and 227,543.74 is: 314,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,530.34 : 577,569.02 = 227,543.74 : x
  2. Step 2: Convert to fraction form
    418,530.34/577,569.02 = 227,543.74/x
  3. Step 3: Cross multiply
    418,530.34x = 577,569.02 × 227,543.74
  4. Step 4: Simplify right side
    418,530.34x = 131,422,214,918.94
  5. Step 5: Solve for x
    x = 131,422,214,918.94/418,530.34
  6. Step 6: Final answer
    x = 314,008.81

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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.