Home / 457,200.59-630,941.87-253,254.63

Finding the Fourth Proportional to 457,200.59, 630,941.87 and 253,254.63

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Solution

The fourth proportional to 457,200.59, 630,941.87 and 253,254.63 is: 349,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,200.59 : 630,941.87 = 253,254.63 : x
  2. Step 2: Convert to fraction form
    457,200.59/630,941.87 = 253,254.63/x
  3. Step 3: Cross multiply
    457,200.59x = 630,941.87 × 253,254.63
  4. Step 4: Simplify right side
    457,200.59x = 159,788,952,837.53
  5. Step 5: Solve for x
    x = 159,788,952,837.53/457,200.59
  6. Step 6: Final answer
    x = 349,494.20

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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.