Home / 280,898.20-421,347.30-202,166.20

Finding the Fourth Proportional to 280,898.20, 421,347.30 and 202,166.20

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Solution

The fourth proportional to 280,898.20, 421,347.30 and 202,166.20 is: 303,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,898.20 : 421,347.30 = 202,166.20 : x
  2. Step 2: Convert to fraction form
    280,898.20/421,347.30 = 202,166.20/x
  3. Step 3: Cross multiply
    280,898.20x = 421,347.30 × 202,166.20
  4. Step 4: Simplify right side
    280,898.20x = 85,182,182,521.26
  5. Step 5: Solve for x
    x = 85,182,182,521.26/280,898.20
  6. Step 6: Final answer
    x = 303,249.30

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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.