Home / 346,258.80-518,999.40-146,545.20

Finding the Fourth Proportional to 346,258.80, 518,999.40 and 146,545.20

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Solution

The fourth proportional to 346,258.80, 518,999.40 and 146,545.20 is: 219,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,258.80 : 518,999.40 = 146,545.20 : x
  2. Step 2: Convert to fraction form
    346,258.80/518,999.40 = 146,545.20/x
  3. Step 3: Cross multiply
    346,258.80x = 518,999.40 × 146,545.20
  4. Step 4: Simplify right side
    346,258.80x = 76,056,870,872.88
  5. Step 5: Solve for x
    x = 76,056,870,872.88/346,258.80
  6. Step 6: Final answer
    x = 219,653.25

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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.