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Finding the Fourth Proportional to 510,011.64, 765,008.82 and 177,579

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Solution

The fourth proportional to 510,011.64, 765,008.82 and 177,579 is: 266,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,011.64 : 765,008.82 = 177,579 : x
  2. Step 2: Convert to fraction form
    510,011.64/765,008.82 = 177,579/x
  3. Step 3: Cross multiply
    510,011.64x = 765,008.82 × 177,579
  4. Step 4: Simplify right side
    510,011.64x = 135,849,501,246.78
  5. Step 5: Solve for x
    x = 135,849,501,246.78/510,011.64
  6. Step 6: Final answer
    x = 266,365.49

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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.