Home / 347,911.65-521,618.40-134,496.90

Finding the Fourth Proportional to 347,911.65, 521,618.40 and 134,496.90

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Solution

The fourth proportional to 347,911.65, 521,618.40 and 134,496.90 is: 201,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,911.65 : 521,618.40 = 134,496.90 : x
  2. Step 2: Convert to fraction form
    347,911.65/521,618.40 = 134,496.90/x
  3. Step 3: Cross multiply
    347,911.65x = 521,618.40 × 134,496.90
  4. Step 4: Simplify right side
    347,911.65x = 70,156,057,782.96
  5. Step 5: Solve for x
    x = 70,156,057,782.96/347,911.65
  6. Step 6: Final answer
    x = 201,649.06

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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.