Home / 348,444.78-522,541.71-120,678.72

Finding the Fourth Proportional to 348,444.78, 522,541.71 and 120,678.72

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Solution

The fourth proportional to 348,444.78, 522,541.71 and 120,678.72 is: 180,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,444.78 : 522,541.71 = 120,678.72 : x
  2. Step 2: Convert to fraction form
    348,444.78/522,541.71 = 120,678.72/x
  3. Step 3: Cross multiply
    348,444.78x = 522,541.71 × 120,678.72
  4. Step 4: Simplify right side
    348,444.78x = 63,059,664,709.41
  5. Step 5: Solve for x
    x = 63,059,664,709.41/348,444.78
  6. Step 6: Final answer
    x = 180,974.63

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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.