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Finding the Fourth Proportional to 508,315.86, 762,252.27 and 171,293.70

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Solution

The fourth proportional to 508,315.86, 762,252.27 and 171,293.70 is: 256,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,315.86 : 762,252.27 = 171,293.70 : x
  2. Step 2: Convert to fraction form
    508,315.86/762,252.27 = 171,293.70/x
  3. Step 3: Cross multiply
    508,315.86x = 762,252.27 × 171,293.70
  4. Step 4: Simplify right side
    508,315.86x = 130,569,011,661.70
  5. Step 5: Solve for x
    x = 130,569,011,661.70/508,315.86
  6. Step 6: Final answer
    x = 256,865.90

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1.5x scale

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.