Home / 344,628.28-475,514.04-208,635.76

Finding the Fourth Proportional to 344,628.28, 475,514.04 and 208,635.76

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Solution

The fourth proportional to 344,628.28, 475,514.04 and 208,635.76 is: 287,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,628.28 : 475,514.04 = 208,635.76 : x
  2. Step 2: Convert to fraction form
    344,628.28/475,514.04 = 208,635.76/x
  3. Step 3: Cross multiply
    344,628.28x = 475,514.04 × 208,635.76
  4. Step 4: Simplify right side
    344,628.28x = 99,209,233,126.07
  5. Step 5: Solve for x
    x = 99,209,233,126.07/344,628.28
  6. Step 6: Final answer
    x = 287,873.16

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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.