Home / 459,263.64-688,742.08-192,974.52

Finding the Fourth Proportional to 459,263.64, 688,742.08 and 192,974.52

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Solution

The fourth proportional to 459,263.64, 688,742.08 and 192,974.52 is: 289,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,263.64 : 688,742.08 = 192,974.52 : x
  2. Step 2: Convert to fraction form
    459,263.64/688,742.08 = 192,974.52/x
  3. Step 3: Cross multiply
    459,263.64x = 688,742.08 × 192,974.52
  4. Step 4: Simplify right side
    459,263.64x = 132,909,672,291.80
  5. Step 5: Solve for x
    x = 132,909,672,291.80/459,263.64
  6. Step 6: Final answer
    x = 289,397.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.