Home / 346,234.80-518,963.40-146,521.20

Finding the Fourth Proportional to 346,234.80, 518,963.40 and 146,521.20

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Solution

The fourth proportional to 346,234.80, 518,963.40 and 146,521.20 is: 219,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,234.80 : 518,963.40 = 146,521.20 : x
  2. Step 2: Convert to fraction form
    346,234.80/518,963.40 = 146,521.20/x
  3. Step 3: Cross multiply
    346,234.80x = 518,963.40 × 146,521.20
  4. Step 4: Simplify right side
    346,234.80x = 76,039,140,124.08
  5. Step 5: Solve for x
    x = 76,039,140,124.08/346,234.80
  6. Step 6: Final answer
    x = 219,617.27

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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.