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Finding the Fourth Proportional to 465,841.85, 698,264.51 and 212,743.07

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Solution

The fourth proportional to 465,841.85, 698,264.51 and 212,743.07 is: 318,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,841.85 : 698,264.51 = 212,743.07 : x
  2. Step 2: Convert to fraction form
    465,841.85/698,264.51 = 212,743.07/x
  3. Step 3: Cross multiply
    465,841.85x = 698,264.51 × 212,743.07
  4. Step 4: Simplify right side
    465,841.85x = 148,550,932,038.12
  5. Step 5: Solve for x
    x = 148,550,932,038.12/465,841.85
  6. Step 6: Final answer
    x = 318,887.05

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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.