Home / 286,747.02-430,104.06-137,090.61

Finding the Fourth Proportional to 286,747.02, 430,104.06 and 137,090.61

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Solution

The fourth proportional to 286,747.02, 430,104.06 and 137,090.61 is: 205,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,747.02 : 430,104.06 = 137,090.61 : x
  2. Step 2: Convert to fraction form
    286,747.02/430,104.06 = 137,090.61/x
  3. Step 3: Cross multiply
    286,747.02x = 430,104.06 × 137,090.61
  4. Step 4: Simplify right side
    286,747.02x = 58,963,227,948.88
  5. Step 5: Solve for x
    x = 58,963,227,948.88/286,747.02
  6. Step 6: Final answer
    x = 205,628.04

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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.