Home / 282,019.77-423,175.14-187,315.38

Finding the Fourth Proportional to 282,019.77, 423,175.14 and 187,315.38

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Solution

The fourth proportional to 282,019.77, 423,175.14 and 187,315.38 is: 281,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,019.77 : 423,175.14 = 187,315.38 : x
  2. Step 2: Convert to fraction form
    282,019.77/423,175.14 = 187,315.38/x
  3. Step 3: Cross multiply
    282,019.77x = 423,175.14 × 187,315.38
  4. Step 4: Simplify right side
    282,019.77x = 79,267,212,155.65
  5. Step 5: Solve for x
    x = 79,267,212,155.65/282,019.77
  6. Step 6: Final answer
    x = 281,069.70

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1.5x scale

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.