Home / 445,534.08-668,439.68-146,017.28

Finding the Fourth Proportional to 445,534.08, 668,439.68 and 146,017.28

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Solution

The fourth proportional to 445,534.08, 668,439.68 and 146,017.28 is: 219,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,534.08 : 668,439.68 = 146,017.28 : x
  2. Step 2: Convert to fraction form
    445,534.08/668,439.68 = 146,017.28/x
  3. Step 3: Cross multiply
    445,534.08x = 668,439.68 × 146,017.28
  4. Step 4: Simplify right side
    445,534.08x = 97,603,743,917.67
  5. Step 5: Solve for x
    x = 97,603,743,917.67/445,534.08
  6. Step 6: Final answer
    x = 219,071.33

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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.