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Finding the Fourth Proportional to 370,300.73, 555,451.11 and 130,358.12

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Solution

The fourth proportional to 370,300.73, 555,451.11 and 130,358.12 is: 195,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,300.73 : 555,451.11 = 130,358.12 : x
  2. Step 2: Convert to fraction form
    370,300.73/555,451.11 = 130,358.12/x
  3. Step 3: Cross multiply
    370,300.73x = 555,451.11 × 130,358.12
  4. Step 4: Simplify right side
    370,300.73x = 72,407,559,674.26
  5. Step 5: Solve for x
    x = 72,407,559,674.26/370,300.73
  6. Step 6: Final answer
    x = 195,537.18

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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.