Home / 440,817.95-661,289.20-141,228.45

Finding the Fourth Proportional to 440,817.95, 661,289.20 and 141,228.45

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Solution

The fourth proportional to 440,817.95, 661,289.20 and 141,228.45 is: 211,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,817.95 : 661,289.20 = 141,228.45 : x
  2. Step 2: Convert to fraction form
    440,817.95/661,289.20 = 141,228.45/x
  3. Step 3: Cross multiply
    440,817.95x = 661,289.20 × 141,228.45
  4. Step 4: Simplify right side
    440,817.95x = 93,392,848,364.67
  5. Step 5: Solve for x
    x = 93,392,848,364.67/440,817.95
  6. Step 6: Final answer
    x = 211,862.62

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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.