Home / 291,904.02-402,735.65-230,456.61

Finding the Fourth Proportional to 291,904.02, 402,735.65 and 230,456.61

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Solution

The fourth proportional to 291,904.02, 402,735.65 and 230,456.61 is: 317,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,904.02 : 402,735.65 = 230,456.61 : x
  2. Step 2: Convert to fraction form
    291,904.02/402,735.65 = 230,456.61/x
  3. Step 3: Cross multiply
    291,904.02x = 402,735.65 × 230,456.61
  4. Step 4: Simplify right side
    291,904.02x = 92,813,091,472.86
  5. Step 5: Solve for x
    x = 92,813,091,472.86/291,904.02
  6. Step 6: Final answer
    x = 317,957.57

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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.