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Finding the Fourth Proportional to 372,360.53, 513,857.53 and 202,595.87

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Solution

The fourth proportional to 372,360.53, 513,857.53 and 202,595.87 is: 279,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,360.53 : 513,857.53 = 202,595.87 : x
  2. Step 2: Convert to fraction form
    372,360.53/513,857.53 = 202,595.87/x
  3. Step 3: Cross multiply
    372,360.53x = 513,857.53 × 202,595.87
  4. Step 4: Simplify right side
    372,360.53x = 104,105,413,346.40
  5. Step 5: Solve for x
    x = 104,105,413,346.40/372,360.53
  6. Step 6: Final answer
    x = 279,582.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.