Home / 312,042.57-430,617.45-168,802.26

Finding the Fourth Proportional to 312,042.57, 430,617.45 and 168,802.26

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Solution

The fourth proportional to 312,042.57, 430,617.45 and 168,802.26 is: 232,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,042.57 : 430,617.45 = 168,802.26 : x
  2. Step 2: Convert to fraction form
    312,042.57/430,617.45 = 168,802.26/x
  3. Step 3: Cross multiply
    312,042.57x = 430,617.45 × 168,802.26
  4. Step 4: Simplify right side
    312,042.57x = 72,689,198,755.44
  5. Step 5: Solve for x
    x = 72,689,198,755.44/312,042.57
  6. Step 6: Final answer
    x = 232,946.42

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1.5x scale

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.