Home / 344,042.40-516,063.60-91,322.40

Finding the Fourth Proportional to 344,042.40, 516,063.60 and 91,322.40

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Solution

The fourth proportional to 344,042.40, 516,063.60 and 91,322.40 is: 136,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,042.40 : 516,063.60 = 91,322.40 : x
  2. Step 2: Convert to fraction form
    344,042.40/516,063.60 = 91,322.40/x
  3. Step 3: Cross multiply
    344,042.40x = 516,063.60 × 91,322.40
  4. Step 4: Simplify right side
    344,042.40x = 47,128,166,504.64
  5. Step 5: Solve for x
    x = 47,128,166,504.64/344,042.40
  6. Step 6: Final answer
    x = 136,983.60

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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.