Home / 305,719.30-458,566.62-155,956.30

Finding the Fourth Proportional to 305,719.30, 458,566.62 and 155,956.30

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Solution

The fourth proportional to 305,719.30, 458,566.62 and 155,956.30 is: 233,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,719.30 : 458,566.62 = 155,956.30 : x
  2. Step 2: Convert to fraction form
    305,719.30/458,566.62 = 155,956.30/x
  3. Step 3: Cross multiply
    305,719.30x = 458,566.62 × 155,956.30
  4. Step 4: Simplify right side
    305,719.30x = 71,516,353,358.71
  5. Step 5: Solve for x
    x = 71,516,353,358.71/305,719.30
  6. Step 6: Final answer
    x = 233,928.16

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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.