Home / 344,639.49-516,959.40-108,000.69

Finding the Fourth Proportional to 344,639.49, 516,959.40 and 108,000.69

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Solution

The fourth proportional to 344,639.49, 516,959.40 and 108,000.69 is: 162,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,639.49 : 516,959.40 = 108,000.69 : x
  2. Step 2: Convert to fraction form
    344,639.49/516,959.40 = 108,000.69/x
  3. Step 3: Cross multiply
    344,639.49x = 516,959.40 × 108,000.69
  4. Step 4: Simplify right side
    344,639.49x = 55,831,971,901.99
  5. Step 5: Solve for x
    x = 55,831,971,901.99/344,639.49
  6. Step 6: Final answer
    x = 162,001.09

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1.5x scale

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.