Home / 218,935.95-328,533.63-92,569.29

Finding the Fourth Proportional to 218,935.95, 328,533.63 and 92,569.29

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Solution

The fourth proportional to 218,935.95, 328,533.63 and 92,569.29 is: 138,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,935.95 : 328,533.63 = 92,569.29 : x
  2. Step 2: Convert to fraction form
    218,935.95/328,533.63 = 92,569.29/x
  3. Step 3: Cross multiply
    218,935.95x = 328,533.63 × 92,569.29
  4. Step 4: Simplify right side
    218,935.95x = 30,412,124,870.22
  5. Step 5: Solve for x
    x = 30,412,124,870.22/218,935.95
  6. Step 6: Final answer
    x = 138,908.78

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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.