Home / 388,836.69-583,235.55-152,222.73

Finding the Fourth Proportional to 388,836.69, 583,235.55 and 152,222.73

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Solution

The fourth proportional to 388,836.69, 583,235.55 and 152,222.73 is: 228,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,836.69 : 583,235.55 = 152,222.73 : x
  2. Step 2: Convert to fraction form
    388,836.69/583,235.55 = 152,222.73/x
  3. Step 3: Cross multiply
    388,836.69x = 583,235.55 × 152,222.73
  4. Step 4: Simplify right side
    388,836.69x = 88,781,707,654.05
  5. Step 5: Solve for x
    x = 88,781,707,654.05/388,836.69
  6. Step 6: Final answer
    x = 228,326.47

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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.