Home / 454,667.60-682,001.28-155,148.16

Finding the Fourth Proportional to 454,667.60, 682,001.28 and 155,148.16

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Solution

The fourth proportional to 454,667.60, 682,001.28 and 155,148.16 is: 232,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,667.60 : 682,001.28 = 155,148.16 : x
  2. Step 2: Convert to fraction form
    454,667.60/682,001.28 = 155,148.16/x
  3. Step 3: Cross multiply
    454,667.60x = 682,001.28 × 155,148.16
  4. Step 4: Simplify right side
    454,667.60x = 105,811,243,709.65
  5. Step 5: Solve for x
    x = 105,811,243,709.65/454,667.60
  6. Step 6: Final answer
    x = 232,722.20

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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.