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Finding the Fourth Proportional to 340,302.67, 510,450.53 and 87,582.18

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Solution

The fourth proportional to 340,302.67, 510,450.53 and 87,582.18 is: 131,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,302.67 : 510,450.53 = 87,582.18 : x
  2. Step 2: Convert to fraction form
    340,302.67/510,450.53 = 87,582.18/x
  3. Step 3: Cross multiply
    340,302.67x = 510,450.53 × 87,582.18
  4. Step 4: Simplify right side
    340,302.67x = 44,706,368,728.04
  5. Step 5: Solve for x
    x = 44,706,368,728.04/340,302.67
  6. Step 6: Final answer
    x = 131,372.37

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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.