Home / 426,256.13-639,666.57-234,264.63

Finding the Fourth Proportional to 426,256.13, 639,666.57 and 234,264.63

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Solution

The fourth proportional to 426,256.13, 639,666.57 and 234,264.63 is: 351,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,256.13 : 639,666.57 = 234,264.63 : x
  2. Step 2: Convert to fraction form
    426,256.13/639,666.57 = 234,264.63/x
  3. Step 3: Cross multiply
    426,256.13x = 639,666.57 × 234,264.63
  4. Step 4: Simplify right side
    426,256.13x = 149,851,255,621.66
  5. Step 5: Solve for x
    x = 149,851,255,621.66/426,256.13
  6. Step 6: Final answer
    x = 351,552.14

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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.