Home / 347,810.70-521,586.45-242,316.30

Finding the Fourth Proportional to 347,810.70, 521,586.45 and 242,316.30

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Solution

The fourth proportional to 347,810.70, 521,586.45 and 242,316.30 is: 363,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,810.70 : 521,586.45 = 242,316.30 : x
  2. Step 2: Convert to fraction form
    347,810.70/521,586.45 = 242,316.30/x
  3. Step 3: Cross multiply
    347,810.70x = 521,586.45 × 242,316.30
  4. Step 4: Simplify right side
    347,810.70x = 126,388,898,694.14
  5. Step 5: Solve for x
    x = 126,388,898,694.14/347,810.70
  6. Step 6: Final answer
    x = 363,384.16

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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.