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Finding the Fourth Proportional to 459,602.88, 634,174.08 and 255,626.88

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Solution

The fourth proportional to 459,602.88, 634,174.08 and 255,626.88 is: 352,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,602.88 : 634,174.08 = 255,626.88 : x
  2. Step 2: Convert to fraction form
    459,602.88/634,174.08 = 255,626.88/x
  3. Step 3: Cross multiply
    459,602.88x = 634,174.08 × 255,626.88
  4. Step 4: Simplify right side
    459,602.88x = 162,111,941,447.27
  5. Step 5: Solve for x
    x = 162,111,941,447.27/459,602.88
  6. Step 6: Final answer
    x = 352,721.77

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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.