Home / 275,354.40-380,008.68-152,853.24

Finding the Fourth Proportional to 275,354.40, 380,008.68 and 152,853.24

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Solution

The fourth proportional to 275,354.40, 380,008.68 and 152,853.24 is: 210,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,354.40 : 380,008.68 = 152,853.24 : x
  2. Step 2: Convert to fraction form
    275,354.40/380,008.68 = 152,853.24/x
  3. Step 3: Cross multiply
    275,354.40x = 380,008.68 × 152,853.24
  4. Step 4: Simplify right side
    275,354.40x = 58,085,557,966.12
  5. Step 5: Solve for x
    x = 58,085,557,966.12/275,354.40
  6. Step 6: Final answer
    x = 210,948.36

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1.5x scale

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.