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Finding the Fourth Proportional to 510,947.88, 765,945.28 and 173,758.12

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Solution

The fourth proportional to 510,947.88, 765,945.28 and 173,758.12 is: 260,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,947.88 : 765,945.28 = 173,758.12 : x
  2. Step 2: Convert to fraction form
    510,947.88/765,945.28 = 173,758.12/x
  3. Step 3: Cross multiply
    510,947.88x = 765,945.28 × 173,758.12
  4. Step 4: Simplify right side
    510,947.88x = 133,089,211,875.67
  5. Step 5: Solve for x
    x = 133,089,211,875.67/510,947.88
  6. Step 6: Final answer
    x = 260,475.12

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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.