Home / 347,636.16-521,559.27-145,330.56

Finding the Fourth Proportional to 347,636.16, 521,559.27 and 145,330.56

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Solution

The fourth proportional to 347,636.16, 521,559.27 and 145,330.56 is: 218,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,636.16 : 521,559.27 = 145,330.56 : x
  2. Step 2: Convert to fraction form
    347,636.16/521,559.27 = 145,330.56/x
  3. Step 3: Cross multiply
    347,636.16x = 521,559.27 × 145,330.56
  4. Step 4: Simplify right side
    347,636.16x = 75,798,500,782.29
  5. Step 5: Solve for x
    x = 75,798,500,782.29/347,636.16
  6. Step 6: Final answer
    x = 218,039.75

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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.