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Finding the Fourth Proportional to 200,079.80, 300,017.10 and 59,820.20

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Solution

The fourth proportional to 200,079.80, 300,017.10 and 59,820.20 is: 89,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,079.80 : 300,017.10 = 59,820.20 : x
  2. Step 2: Convert to fraction form
    200,079.80/300,017.10 = 59,820.20/x
  3. Step 3: Cross multiply
    200,079.80x = 300,017.10 × 59,820.20
  4. Step 4: Simplify right side
    200,079.80x = 17,947,082,925.42
  5. Step 5: Solve for x
    x = 17,947,082,925.42/200,079.80
  6. Step 6: Final answer
    x = 89,699.62

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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.