Home / 217,529.31-300,245.63-148,646.66

Finding the Fourth Proportional to 217,529.31, 300,245.63 and 148,646.66

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Solution

The fourth proportional to 217,529.31, 300,245.63 and 148,646.66 is: 205,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,529.31 : 300,245.63 = 148,646.66 : x
  2. Step 2: Convert to fraction form
    217,529.31/300,245.63 = 148,646.66/x
  3. Step 3: Cross multiply
    217,529.31x = 300,245.63 × 148,646.66
  4. Step 4: Simplify right side
    217,529.31x = 44,630,510,079.10
  5. Step 5: Solve for x
    x = 44,630,510,079.10/217,529.31
  6. Step 6: Final answer
    x = 205,170.10

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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.