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Finding the Fourth Proportional to 500,172.84, 750,032.33 and 215,728.97

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Solution

The fourth proportional to 500,172.84, 750,032.33 and 215,728.97 is: 323,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,172.84 : 750,032.33 = 215,728.97 : x
  2. Step 2: Convert to fraction form
    500,172.84/750,032.33 = 215,728.97/x
  3. Step 3: Cross multiply
    500,172.84x = 750,032.33 × 215,728.97
  4. Step 4: Simplify right side
    500,172.84x = 161,803,697,188.79
  5. Step 5: Solve for x
    x = 161,803,697,188.79/500,172.84
  6. Step 6: Final answer
    x = 323,495.57

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1.5x scale

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.