Home / 370,982.04-511,397.10-290,269.44

Finding the Fourth Proportional to 370,982.04, 511,397.10 and 290,269.44

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Solution

The fourth proportional to 370,982.04, 511,397.10 and 290,269.44 is: 400,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,982.04 : 511,397.10 = 290,269.44 : x
  2. Step 2: Convert to fraction form
    370,982.04/511,397.10 = 290,269.44/x
  3. Step 3: Cross multiply
    370,982.04x = 511,397.10 × 290,269.44
  4. Step 4: Simplify right side
    370,982.04x = 148,442,949,834.62
  5. Step 5: Solve for x
    x = 148,442,949,834.62/370,982.04
  6. Step 6: Final answer
    x = 400,135.14

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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.