Home / 347,588.10-521,465.40-145,071.59

Finding the Fourth Proportional to 347,588.10, 521,465.40 and 145,071.59

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Solution

The fourth proportional to 347,588.10, 521,465.40 and 145,071.59 is: 217,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,588.10 : 521,465.40 = 145,071.59 : x
  2. Step 2: Convert to fraction form
    347,588.10/521,465.40 = 145,071.59/x
  3. Step 3: Cross multiply
    347,588.10x = 521,465.40 × 145,071.59
  4. Step 4: Simplify right side
    347,588.10x = 75,649,812,100.66
  5. Step 5: Solve for x
    x = 75,649,812,100.66/347,588.10
  6. Step 6: Final answer
    x = 217,642.12

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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.