Home / 457,120.16-630,807.26-253,158.94

Finding the Fourth Proportional to 457,120.16, 630,807.26 and 253,158.94

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Solution

The fourth proportional to 457,120.16, 630,807.26 and 253,158.94 is: 349,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,120.16 : 630,807.26 = 253,158.94 : x
  2. Step 2: Convert to fraction form
    457,120.16/630,807.26 = 253,158.94/x
  3. Step 3: Cross multiply
    457,120.16x = 630,807.26 × 253,158.94
  4. Step 4: Simplify right side
    457,120.16x = 159,694,496,808.62
  5. Step 5: Solve for x
    x = 159,694,496,808.62/457,120.16
  6. Step 6: Final answer
    x = 349,349.06

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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.