Home / 633,784.07-950,667.12-154,015.40

Finding the Fourth Proportional to 633,784.07, 950,667.12 and 154,015.40

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Solution

The fourth proportional to 633,784.07, 950,667.12 and 154,015.40 is: 231,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,784.07 : 950,667.12 = 154,015.40 : x
  2. Step 2: Convert to fraction form
    633,784.07/950,667.12 = 154,015.40/x
  3. Step 3: Cross multiply
    633,784.07x = 950,667.12 × 154,015.40
  4. Step 4: Simplify right side
    633,784.07x = 146,417,372,000.31
  5. Step 5: Solve for x
    x = 146,417,372,000.31/633,784.07
  6. Step 6: Final answer
    x = 231,020.91

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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.