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Finding the Fourth Proportional to 243,594.48, 336,214.62 and 148,080.96

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Solution

The fourth proportional to 243,594.48, 336,214.62 and 148,080.96 is: 204,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,594.48 : 336,214.62 = 148,080.96 : x
  2. Step 2: Convert to fraction form
    243,594.48/336,214.62 = 148,080.96/x
  3. Step 3: Cross multiply
    243,594.48x = 336,214.62 × 148,080.96
  4. Step 4: Simplify right side
    243,594.48x = 49,786,983,695.64
  5. Step 5: Solve for x
    x = 49,786,983,695.64/243,594.48
  6. Step 6: Final answer
    x = 204,384.70

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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.