Home / 353,237.50-487,480.58-202,363.66

Finding the Fourth Proportional to 353,237.50, 487,480.58 and 202,363.66

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Solution

The fourth proportional to 353,237.50, 487,480.58 and 202,363.66 is: 279,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,237.50 : 487,480.58 = 202,363.66 : x
  2. Step 2: Convert to fraction form
    353,237.50/487,480.58 = 202,363.66/x
  3. Step 3: Cross multiply
    353,237.50x = 487,480.58 × 202,363.66
  4. Step 4: Simplify right side
    353,237.50x = 98,648,354,347.72
  5. Step 5: Solve for x
    x = 98,648,354,347.72/353,237.50
  6. Step 6: Final answer
    x = 279,269.20

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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.