Home / 369,213.66-554,976.53-243,660.72

Finding the Fourth Proportional to 369,213.66, 554,976.53 and 243,660.72

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Solution

The fourth proportional to 369,213.66, 554,976.53 and 243,660.72 is: 366,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,213.66 : 554,976.53 = 243,660.72 : x
  2. Step 2: Convert to fraction form
    369,213.66/554,976.53 = 243,660.72/x
  3. Step 3: Cross multiply
    369,213.66x = 554,976.53 × 243,660.72
  4. Step 4: Simplify right side
    369,213.66x = 135,225,979,664.60
  5. Step 5: Solve for x
    x = 135,225,979,664.60/369,213.66
  6. Step 6: Final answer
    x = 366,254.00

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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.