Home / 457,150.59-630,849.13-253,189.35

Finding the Fourth Proportional to 457,150.59, 630,849.13 and 253,189.35

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Solution

The fourth proportional to 457,150.59, 630,849.13 and 253,189.35 is: 349,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,150.59 : 630,849.13 = 253,189.35 : x
  2. Step 2: Convert to fraction form
    457,150.59/630,849.13 = 253,189.35/x
  3. Step 3: Cross multiply
    457,150.59x = 630,849.13 × 253,189.35
  4. Step 4: Simplify right side
    457,150.59x = 159,724,280,539.79
  5. Step 5: Solve for x
    x = 159,724,280,539.79/457,150.59
  6. Step 6: Final answer
    x = 349,390.95

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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.