Home / 638,052.84-957,245.40-238,724.82

Finding the Fourth Proportional to 638,052.84, 957,245.40 and 238,724.82

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Solution

The fourth proportional to 638,052.84, 957,245.40 and 238,724.82 is: 358,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,052.84 : 957,245.40 = 238,724.82 : x
  2. Step 2: Convert to fraction form
    638,052.84/957,245.40 = 238,724.82/x
  3. Step 3: Cross multiply
    638,052.84x = 957,245.40 × 238,724.82
  4. Step 4: Simplify right side
    638,052.84x = 228,518,235,810.83
  5. Step 5: Solve for x
    x = 228,518,235,810.83/638,052.84
  6. Step 6: Final answer
    x = 358,149.39

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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.