Home / 459,082.65-633,521.40-255,128.43

Finding the Fourth Proportional to 459,082.65, 633,521.40 and 255,128.43

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Solution

The fourth proportional to 459,082.65, 633,521.40 and 255,128.43 is: 352,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,082.65 : 633,521.40 = 255,128.43 : x
  2. Step 2: Convert to fraction form
    459,082.65/633,521.40 = 255,128.43/x
  3. Step 3: Cross multiply
    459,082.65x = 633,521.40 × 255,128.43
  4. Step 4: Simplify right side
    459,082.65x = 161,629,320,153.40
  5. Step 5: Solve for x
    x = 161,629,320,153.40/459,082.65
  6. Step 6: Final answer
    x = 352,070.20

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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.