Home / 387,631.80-581,015.70-150,895.80

Finding the Fourth Proportional to 387,631.80, 581,015.70 and 150,895.80

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Solution

The fourth proportional to 387,631.80, 581,015.70 and 150,895.80 is: 226,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,631.80 : 581,015.70 = 150,895.80 : x
  2. Step 2: Convert to fraction form
    387,631.80/581,015.70 = 150,895.80/x
  3. Step 3: Cross multiply
    387,631.80x = 581,015.70 × 150,895.80
  4. Step 4: Simplify right side
    387,631.80x = 87,672,828,864.06
  5. Step 5: Solve for x
    x = 87,672,828,864.06/387,631.80
  6. Step 6: Final answer
    x = 226,175.53

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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.