Home / 346,720.56-519,789-169,135.92

Finding the Fourth Proportional to 346,720.56, 519,789 and 169,135.92

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Solution

The fourth proportional to 346,720.56, 519,789 and 169,135.92 is: 253,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,720.56 : 519,789 = 169,135.92 : x
  2. Step 2: Convert to fraction form
    346,720.56/519,789 = 169,135.92/x
  3. Step 3: Cross multiply
    346,720.56x = 519,789 × 169,135.92
  4. Step 4: Simplify right side
    346,720.56x = 87,914,990,720.88
  5. Step 5: Solve for x
    x = 87,914,990,720.88/346,720.56
  6. Step 6: Final answer
    x = 253,561.52

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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.