Home / 380,948.80-571,503.12-144,286.24

Finding the Fourth Proportional to 380,948.80, 571,503.12 and 144,286.24

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Solution

The fourth proportional to 380,948.80, 571,503.12 and 144,286.24 is: 216,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,948.80 : 571,503.12 = 144,286.24 : x
  2. Step 2: Convert to fraction form
    380,948.80/571,503.12 = 144,286.24/x
  3. Step 3: Cross multiply
    380,948.80x = 571,503.12 × 144,286.24
  4. Step 4: Simplify right side
    380,948.80x = 82,460,036,333.07
  5. Step 5: Solve for x
    x = 82,460,036,333.07/380,948.80
  6. Step 6: Final answer
    x = 216,459.63

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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.