Home / 433,863.15-651,214.52-209,381.60

Finding the Fourth Proportional to 433,863.15, 651,214.52 and 209,381.60

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Solution

The fourth proportional to 433,863.15, 651,214.52 and 209,381.60 is: 314,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,863.15 : 651,214.52 = 209,381.60 : x
  2. Step 2: Convert to fraction form
    433,863.15/651,214.52 = 209,381.60/x
  3. Step 3: Cross multiply
    433,863.15x = 651,214.52 × 209,381.60
  4. Step 4: Simplify right side
    433,863.15x = 136,352,339,507.14
  5. Step 5: Solve for x
    x = 136,352,339,507.14/433,863.15
  6. Step 6: Final answer
    x = 314,275.00

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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.