Home / 434,528.14-651,827.66-218,275.64

Finding the Fourth Proportional to 434,528.14, 651,827.66 and 218,275.64

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Solution

The fourth proportional to 434,528.14, 651,827.66 and 218,275.64 is: 327,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,528.14 : 651,827.66 = 218,275.64 : x
  2. Step 2: Convert to fraction form
    434,528.14/651,827.66 = 218,275.64/x
  3. Step 3: Cross multiply
    434,528.14x = 651,827.66 × 218,275.64
  4. Step 4: Simplify right side
    434,528.14x = 142,278,101,422.90
  5. Step 5: Solve for x
    x = 142,278,101,422.90/434,528.14
  6. Step 6: Final answer
    x = 327,431.27

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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.