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Finding the Fourth Proportional to 360,734.49, 540,683.49 and 135,951

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Solution

The fourth proportional to 360,734.49, 540,683.49 and 135,951 is: 203,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,734.49 : 540,683.49 = 135,951 : x
  2. Step 2: Convert to fraction form
    360,734.49/540,683.49 = 135,951/x
  3. Step 3: Cross multiply
    360,734.49x = 540,683.49 × 135,951
  4. Step 4: Simplify right side
    360,734.49x = 73,506,461,148.99
  5. Step 5: Solve for x
    x = 73,506,461,148.99/360,734.49
  6. Step 6: Final answer
    x = 203,768.87

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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.