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Finding the Fourth Proportional to 379,592.88, 569,389.53 and 99,110.13

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Solution

The fourth proportional to 379,592.88, 569,389.53 and 99,110.13 is: 148,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,592.88 : 569,389.53 = 99,110.13 : x
  2. Step 2: Convert to fraction form
    379,592.88/569,389.53 = 99,110.13/x
  3. Step 3: Cross multiply
    379,592.88x = 569,389.53 × 99,110.13
  4. Step 4: Simplify right side
    379,592.88x = 56,432,270,338.94
  5. Step 5: Solve for x
    x = 56,432,270,338.94/379,592.88
  6. Step 6: Final answer
    x = 148,665.25

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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.