Home / 282,668.16-424,147.50-156,284.94

Finding the Fourth Proportional to 282,668.16, 424,147.50 and 156,284.94

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Solution

The fourth proportional to 282,668.16, 424,147.50 and 156,284.94 is: 234,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,668.16 : 424,147.50 = 156,284.94 : x
  2. Step 2: Convert to fraction form
    282,668.16/424,147.50 = 156,284.94/x
  3. Step 3: Cross multiply
    282,668.16x = 424,147.50 × 156,284.94
  4. Step 4: Simplify right side
    282,668.16x = 66,287,866,588.65
  5. Step 5: Solve for x
    x = 66,287,866,588.65/282,668.16
  6. Step 6: Final answer
    x = 234,507.72

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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.