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Finding the Fourth Proportional to 459,270, 633,814.20 and 255,324.29

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Solution

The fourth proportional to 459,270, 633,814.20 and 255,324.29 is: 352,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,270 : 633,814.20 = 255,324.29 : x
  2. Step 2: Convert to fraction form
    459,270/633,814.20 = 255,324.29/x
  3. Step 3: Cross multiply
    459,270x = 633,814.20 × 255,324.29
  4. Step 4: Simplify right side
    459,270x = 161,828,157,437.85
  5. Step 5: Solve for x
    x = 161,828,157,437.85/459,270
  6. Step 6: Final answer
    x = 352,359.52

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1.5x scale

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.