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Finding the Fourth Proportional to 459,618.30, 634,258.08 and 255,663.54

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Solution

The fourth proportional to 459,618.30, 634,258.08 and 255,663.54 is: 352,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,618.30 : 634,258.08 = 255,663.54 : x
  2. Step 2: Convert to fraction form
    459,618.30/634,258.08 = 255,663.54/x
  3. Step 3: Cross multiply
    459,618.30x = 634,258.08 × 255,663.54
  4. Step 4: Simplify right side
    459,618.30x = 162,156,666,006.40
  5. Step 5: Solve for x
    x = 162,156,666,006.40/459,618.30
  6. Step 6: Final answer
    x = 352,807.24

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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.