Home / 358,780.23-537,864.75-158,991.71

Finding the Fourth Proportional to 358,780.23, 537,864.75 and 158,991.71

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Solution

The fourth proportional to 358,780.23, 537,864.75 and 158,991.71 is: 238,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,780.23 : 537,864.75 = 158,991.71 : x
  2. Step 2: Convert to fraction form
    358,780.23/537,864.75 = 158,991.71/x
  3. Step 3: Cross multiply
    358,780.23x = 537,864.75 × 158,991.71
  4. Step 4: Simplify right side
    358,780.23x = 85,516,033,661.90
  5. Step 5: Solve for x
    x = 85,516,033,661.90/358,780.23
  6. Step 6: Final answer
    x = 238,352.13

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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.