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Finding the Fourth Proportional to 459,510.27, 634,118.54 and 258,306.27

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Solution

The fourth proportional to 459,510.27, 634,118.54 and 258,306.27 is: 356,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,510.27 : 634,118.54 = 258,306.27 : x
  2. Step 2: Convert to fraction form
    459,510.27/634,118.54 = 258,306.27/x
  3. Step 3: Cross multiply
    459,510.27x = 634,118.54 × 258,306.27
  4. Step 4: Simplify right side
    459,510.27x = 163,796,793,513.71
  5. Step 5: Solve for x
    x = 163,796,793,513.71/459,510.27
  6. Step 6: Final answer
    x = 356,459.48

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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.