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Finding the Fourth Proportional to 590,625.80, 885,938.70 and 235,694.60

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Solution

The fourth proportional to 590,625.80, 885,938.70 and 235,694.60 is: 353,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,625.80 : 885,938.70 = 235,694.60 : x
  2. Step 2: Convert to fraction form
    590,625.80/885,938.70 = 235,694.60/x
  3. Step 3: Cross multiply
    590,625.80x = 885,938.70 × 235,694.60
  4. Step 4: Simplify right side
    590,625.80x = 208,810,967,521.02
  5. Step 5: Solve for x
    x = 208,810,967,521.02/590,625.80
  6. Step 6: Final answer
    x = 353,541.90

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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.