Home / 307,744.47-424,758.23-180,461.07

Finding the Fourth Proportional to 307,744.47, 424,758.23 and 180,461.07

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Solution

The fourth proportional to 307,744.47, 424,758.23 and 180,461.07 is: 249,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,744.47 : 424,758.23 = 180,461.07 : x
  2. Step 2: Convert to fraction form
    307,744.47/424,758.23 = 180,461.07/x
  3. Step 3: Cross multiply
    307,744.47x = 424,758.23 × 180,461.07
  4. Step 4: Simplify right side
    307,744.47x = 76,652,323,774.80
  5. Step 5: Solve for x
    x = 76,652,323,774.80/307,744.47
  6. Step 6: Final answer
    x = 249,077.83

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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.