Home / 215,423.96-297,275.46-123,477.32

Finding the Fourth Proportional to 215,423.96, 297,275.46 and 123,477.32

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Solution

The fourth proportional to 215,423.96, 297,275.46 and 123,477.32 is: 170,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,423.96 : 297,275.46 = 123,477.32 : x
  2. Step 2: Convert to fraction form
    215,423.96/297,275.46 = 123,477.32/x
  3. Step 3: Cross multiply
    215,423.96x = 297,275.46 × 123,477.32
  4. Step 4: Simplify right side
    215,423.96x = 36,706,777,102.57
  5. Step 5: Solve for x
    x = 36,706,777,102.57/215,423.96
  6. Step 6: Final answer
    x = 170,393.20

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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.