Home / 388,926.56-583,488.26-108,443.81

Finding the Fourth Proportional to 388,926.56, 583,488.26 and 108,443.81

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Solution

The fourth proportional to 388,926.56, 583,488.26 and 108,443.81 is: 162,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,926.56 : 583,488.26 = 108,443.81 : x
  2. Step 2: Convert to fraction form
    388,926.56/583,488.26 = 108,443.81/x
  3. Step 3: Cross multiply
    388,926.56x = 583,488.26 × 108,443.81
  4. Step 4: Simplify right side
    388,926.56x = 63,275,691,327.84
  5. Step 5: Solve for x
    x = 63,275,691,327.84/388,926.56
  6. Step 6: Final answer
    x = 162,693.16

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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.