Home / 352,946.25-529,121.70-153,116.28

Finding the Fourth Proportional to 352,946.25, 529,121.70 and 153,116.28

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Solution

The fourth proportional to 352,946.25, 529,121.70 and 153,116.28 is: 229,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,946.25 : 529,121.70 = 153,116.28 : x
  2. Step 2: Convert to fraction form
    352,946.25/529,121.70 = 153,116.28/x
  3. Step 3: Cross multiply
    352,946.25x = 529,121.70 × 153,116.28
  4. Step 4: Simplify right side
    352,946.25x = 81,017,146,371.28
  5. Step 5: Solve for x
    x = 81,017,146,371.28/352,946.25
  6. Step 6: Final answer
    x = 229,545.28

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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.