Home / 454,392.12-681,126.42-188,297.40

Finding the Fourth Proportional to 454,392.12, 681,126.42 and 188,297.40

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Solution

The fourth proportional to 454,392.12, 681,126.42 and 188,297.40 is: 282,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,392.12 : 681,126.42 = 188,297.40 : x
  2. Step 2: Convert to fraction form
    454,392.12/681,126.42 = 188,297.40/x
  3. Step 3: Cross multiply
    454,392.12x = 681,126.42 × 188,297.40
  4. Step 4: Simplify right side
    454,392.12x = 128,254,333,957.31
  5. Step 5: Solve for x
    x = 128,254,333,957.31/454,392.12
  6. Step 6: Final answer
    x = 282,254.75

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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.