Home / 348,177.90-480,442.50-212,162.28

Finding the Fourth Proportional to 348,177.90, 480,442.50 and 212,162.28

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Solution

The fourth proportional to 348,177.90, 480,442.50 and 212,162.28 is: 292,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,177.90 : 480,442.50 = 212,162.28 : x
  2. Step 2: Convert to fraction form
    348,177.90/480,442.50 = 212,162.28/x
  3. Step 3: Cross multiply
    348,177.90x = 480,442.50 × 212,162.28
  4. Step 4: Simplify right side
    348,177.90x = 101,931,776,208.90
  5. Step 5: Solve for x
    x = 101,931,776,208.90/348,177.90
  6. Step 6: Final answer
    x = 292,757.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.