Home / 353,148.50-487,237.20-200,162.18

Finding the Fourth Proportional to 353,148.50, 487,237.20 and 200,162.18

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Solution

The fourth proportional to 353,148.50, 487,237.20 and 200,162.18 is: 276,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,148.50 : 487,237.20 = 200,162.18 : x
  2. Step 2: Convert to fraction form
    353,148.50/487,237.20 = 200,162.18/x
  3. Step 3: Cross multiply
    353,148.50x = 487,237.20 × 200,162.18
  4. Step 4: Simplify right side
    353,148.50x = 97,526,460,129.10
  5. Step 5: Solve for x
    x = 97,526,460,129.10/353,148.50
  6. Step 6: Final answer
    x = 276,162.75

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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.