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Finding the Fourth Proportional to 240,362.52, 360,018.30 and 121,830.36

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Solution

The fourth proportional to 240,362.52, 360,018.30 and 121,830.36 is: 182,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,362.52 : 360,018.30 = 121,830.36 : x
  2. Step 2: Convert to fraction form
    240,362.52/360,018.30 = 121,830.36/x
  3. Step 3: Cross multiply
    240,362.52x = 360,018.30 × 121,830.36
  4. Step 4: Simplify right side
    240,362.52x = 43,861,159,095.59
  5. Step 5: Solve for x
    x = 43,861,159,095.59/240,362.52
  6. Step 6: Final answer
    x = 182,479.19

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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.