Home / 345,216.64-517,822.08-89,048.56

Finding the Fourth Proportional to 345,216.64, 517,822.08 and 89,048.56

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Solution

The fourth proportional to 345,216.64, 517,822.08 and 89,048.56 is: 133,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,216.64 : 517,822.08 = 89,048.56 : x
  2. Step 2: Convert to fraction form
    345,216.64/517,822.08 = 89,048.56/x
  3. Step 3: Cross multiply
    345,216.64x = 517,822.08 × 89,048.56
  4. Step 4: Simplify right side
    345,216.64x = 46,111,310,560.20
  5. Step 5: Solve for x
    x = 46,111,310,560.20/345,216.64
  6. Step 6: Final answer
    x = 133,572.10

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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.