Home / 430,887.87-646,375.95-164,872.13

Finding the Fourth Proportional to 430,887.87, 646,375.95 and 164,872.13

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Solution

The fourth proportional to 430,887.87, 646,375.95 and 164,872.13 is: 247,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,887.87 : 646,375.95 = 164,872.13 : x
  2. Step 2: Convert to fraction form
    430,887.87/646,375.95 = 164,872.13/x
  3. Step 3: Cross multiply
    430,887.87x = 646,375.95 × 164,872.13
  4. Step 4: Simplify right side
    430,887.87x = 106,569,376,425.39
  5. Step 5: Solve for x
    x = 106,569,376,425.39/430,887.87
  6. Step 6: Final answer
    x = 247,325.08

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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.