Home / 380,945.80-571,498.62-144,283.24

Finding the Fourth Proportional to 380,945.80, 571,498.62 and 144,283.24

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Solution

The fourth proportional to 380,945.80, 571,498.62 and 144,283.24 is: 216,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,945.80 : 571,498.62 = 144,283.24 : x
  2. Step 2: Convert to fraction form
    380,945.80/571,498.62 = 144,283.24/x
  3. Step 3: Cross multiply
    380,945.80x = 571,498.62 × 144,283.24
  4. Step 4: Simplify right side
    380,945.80x = 82,457,672,549.13
  5. Step 5: Solve for x
    x = 82,457,672,549.13/380,945.80
  6. Step 6: Final answer
    x = 216,455.13

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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.