Home / 282,953.85-390,531.79-162,176.08

Finding the Fourth Proportional to 282,953.85, 390,531.79 and 162,176.08

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Solution

The fourth proportional to 282,953.85, 390,531.79 and 162,176.08 is: 223,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,953.85 : 390,531.79 = 162,176.08 : x
  2. Step 2: Convert to fraction form
    282,953.85/390,531.79 = 162,176.08/x
  3. Step 3: Cross multiply
    282,953.85x = 390,531.79 × 162,176.08
  4. Step 4: Simplify right side
    282,953.85x = 63,334,914,006.70
  5. Step 5: Solve for x
    x = 63,334,914,006.70/282,953.85
  6. Step 6: Final answer
    x = 223,834.78

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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.