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Finding the Fourth Proportional to 510,444.12, 765,444.27 and 155,374.95

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Solution

The fourth proportional to 510,444.12, 765,444.27 and 155,374.95 is: 232,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,444.12 : 765,444.27 = 155,374.95 : x
  2. Step 2: Convert to fraction form
    510,444.12/765,444.27 = 155,374.95/x
  3. Step 3: Cross multiply
    510,444.12x = 765,444.27 × 155,374.95
  4. Step 4: Simplify right side
    510,444.12x = 118,930,865,179.04
  5. Step 5: Solve for x
    x = 118,930,865,179.04/510,444.12
  6. Step 6: Final answer
    x = 232,994.88

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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.