Home / 346,273.40-477,865.40-217,217.36

Finding the Fourth Proportional to 346,273.40, 477,865.40 and 217,217.36

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Solution

The fourth proportional to 346,273.40, 477,865.40 and 217,217.36 is: 299,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,273.40 : 477,865.40 = 217,217.36 : x
  2. Step 2: Convert to fraction form
    346,273.40/477,865.40 = 217,217.36/x
  3. Step 3: Cross multiply
    346,273.40x = 477,865.40 × 217,217.36
  4. Step 4: Simplify right side
    346,273.40x = 103,800,660,731.92
  5. Step 5: Solve for x
    x = 103,800,660,731.92/346,273.40
  6. Step 6: Final answer
    x = 299,765.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.