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Finding the Fourth Proportional to 360,728.92, 497,820.59 and 199,581.36

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Solution

The fourth proportional to 360,728.92, 497,820.59 and 199,581.36 is: 275,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,728.92 : 497,820.59 = 199,581.36 : x
  2. Step 2: Convert to fraction form
    360,728.92/497,820.59 = 199,581.36/x
  3. Step 3: Cross multiply
    360,728.92x = 497,820.59 × 199,581.36
  4. Step 4: Simplify right side
    360,728.92x = 99,355,710,388.20
  5. Step 5: Solve for x
    x = 99,355,710,388.20/360,728.92
  6. Step 6: Final answer
    x = 275,430.40

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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.