Home / 236,322.72-353,651.40-147,618

Finding the Fourth Proportional to 236,322.72, 353,651.40 and 147,618

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Solution

The fourth proportional to 236,322.72, 353,651.40 and 147,618 is: 220,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,322.72 : 353,651.40 = 147,618 : x
  2. Step 2: Convert to fraction form
    236,322.72/353,651.40 = 147,618/x
  3. Step 3: Cross multiply
    236,322.72x = 353,651.40 × 147,618
  4. Step 4: Simplify right side
    236,322.72x = 52,205,312,365.20
  5. Step 5: Solve for x
    x = 52,205,312,365.20/236,322.72
  6. Step 6: Final answer
    x = 220,906.87

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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.