Home / 282,017.57-423,387-242,290.71

Finding the Fourth Proportional to 282,017.57, 423,387 and 242,290.71

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Solution

The fourth proportional to 282,017.57, 423,387 and 242,290.71 is: 363,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,017.57 : 423,387 = 242,290.71 : x
  2. Step 2: Convert to fraction form
    282,017.57/423,387 = 242,290.71/x
  3. Step 3: Cross multiply
    282,017.57x = 423,387 × 242,290.71
  4. Step 4: Simplify right side
    282,017.57x = 102,582,736,834.77
  5. Step 5: Solve for x
    x = 102,582,736,834.77/282,017.57
  6. Step 6: Final answer
    x = 363,745.91

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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.