Home / 286,833.06-430,276.59-84,429.29

Finding the Fourth Proportional to 286,833.06, 430,276.59 and 84,429.29

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Solution

The fourth proportional to 286,833.06, 430,276.59 and 84,429.29 is: 126,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,833.06 : 430,276.59 = 84,429.29 : x
  2. Step 2: Convert to fraction form
    286,833.06/430,276.59 = 84,429.29/x
  3. Step 3: Cross multiply
    286,833.06x = 430,276.59 × 84,429.29
  4. Step 4: Simplify right side
    286,833.06x = 36,327,944,423.79
  5. Step 5: Solve for x
    x = 36,327,944,423.79/286,833.06
  6. Step 6: Final answer
    x = 126,651.87

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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.