Home / 379,444.24-523,666.18-209,711.16

Finding the Fourth Proportional to 379,444.24, 523,666.18 and 209,711.16

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Solution

The fourth proportional to 379,444.24, 523,666.18 and 209,711.16 is: 289,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,444.24 : 523,666.18 = 209,711.16 : x
  2. Step 2: Convert to fraction form
    379,444.24/523,666.18 = 209,711.16/x
  3. Step 3: Cross multiply
    379,444.24x = 523,666.18 × 209,711.16
  4. Step 4: Simplify right side
    379,444.24x = 109,818,642,060.57
  5. Step 5: Solve for x
    x = 109,818,642,060.57/379,444.24
  6. Step 6: Final answer
    x = 289,419.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.