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Finding the Fourth Proportional to 434,428.50, 599,486.60 and 253,169.94

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Solution

The fourth proportional to 434,428.50, 599,486.60 and 253,169.94 is: 349,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,428.50 : 599,486.60 = 253,169.94 : x
  2. Step 2: Convert to fraction form
    434,428.50/599,486.60 = 253,169.94/x
  3. Step 3: Cross multiply
    434,428.50x = 599,486.60 × 253,169.94
  4. Step 4: Simplify right side
    434,428.50x = 151,771,986,552.80
  5. Step 5: Solve for x
    x = 151,771,986,552.80/434,428.50
  6. Step 6: Final answer
    x = 349,360.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.