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Finding the Fourth Proportional to 200,525.55, 300,790.02 and 160,445.20

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Solution

The fourth proportional to 200,525.55, 300,790.02 and 160,445.20 is: 240,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,525.55 : 300,790.02 = 160,445.20 : x
  2. Step 2: Convert to fraction form
    200,525.55/300,790.02 = 160,445.20/x
  3. Step 3: Cross multiply
    200,525.55x = 300,790.02 × 160,445.20
  4. Step 4: Simplify right side
    200,525.55x = 48,260,314,916.90
  5. Step 5: Solve for x
    x = 48,260,314,916.90/200,525.55
  6. Step 6: Final answer
    x = 240,669.16

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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.