Home / 345,278.40-517,140-176,850.24

Finding the Fourth Proportional to 345,278.40, 517,140 and 176,850.24

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Solution

The fourth proportional to 345,278.40, 517,140 and 176,850.24 is: 264,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,278.40 : 517,140 = 176,850.24 : x
  2. Step 2: Convert to fraction form
    345,278.40/517,140 = 176,850.24/x
  3. Step 3: Cross multiply
    345,278.40x = 517,140 × 176,850.24
  4. Step 4: Simplify right side
    345,278.40x = 91,456,333,113.60
  5. Step 5: Solve for x
    x = 91,456,333,113.60/345,278.40
  6. Step 6: Final answer
    x = 264,877.08

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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.