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Finding the Fourth Proportional to 262,160.80, 393,176.01 and 112,384.12

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Solution

The fourth proportional to 262,160.80, 393,176.01 and 112,384.12 is: 168,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,160.80 : 393,176.01 = 112,384.12 : x
  2. Step 2: Convert to fraction form
    262,160.80/393,176.01 = 112,384.12/x
  3. Step 3: Cross multiply
    262,160.80x = 393,176.01 × 112,384.12
  4. Step 4: Simplify right side
    262,160.80x = 44,186,739,888.96
  5. Step 5: Solve for x
    x = 44,186,739,888.96/262,160.80
  6. Step 6: Final answer
    x = 168,548.23

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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.