Home / 353,442.28-530,146.14-131,809

Finding the Fourth Proportional to 353,442.28, 530,146.14 and 131,809

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Solution

The fourth proportional to 353,442.28, 530,146.14 and 131,809 is: 197,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,442.28 : 530,146.14 = 131,809 : x
  2. Step 2: Convert to fraction form
    353,442.28/530,146.14 = 131,809/x
  3. Step 3: Cross multiply
    353,442.28x = 530,146.14 × 131,809
  4. Step 4: Simplify right side
    353,442.28x = 69,878,032,567.26
  5. Step 5: Solve for x
    x = 69,878,032,567.26/353,442.28
  6. Step 6: Final answer
    x = 197,707.06

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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.