Home / 218,900.24-328,350.52-52,688.24

Finding the Fourth Proportional to 218,900.24, 328,350.52 and 52,688.24

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Solution

The fourth proportional to 218,900.24, 328,350.52 and 52,688.24 is: 79,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,900.24 : 328,350.52 = 52,688.24 : x
  2. Step 2: Convert to fraction form
    218,900.24/328,350.52 = 52,688.24/x
  3. Step 3: Cross multiply
    218,900.24x = 328,350.52 × 52,688.24
  4. Step 4: Simplify right side
    218,900.24x = 17,300,211,001.88
  5. Step 5: Solve for x
    x = 17,300,211,001.88/218,900.24
  6. Step 6: Final answer
    x = 79,032.40

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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.