Home / 356,819.80-492,434.12-235,748.76

Finding the Fourth Proportional to 356,819.80, 492,434.12 and 235,748.76

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Solution

The fourth proportional to 356,819.80, 492,434.12 and 235,748.76 is: 325,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,819.80 : 492,434.12 = 235,748.76 : x
  2. Step 2: Convert to fraction form
    356,819.80/492,434.12 = 235,748.76/x
  3. Step 3: Cross multiply
    356,819.80x = 492,434.12 × 235,748.76
  4. Step 4: Simplify right side
    356,819.80x = 116,090,733,171.69
  5. Step 5: Solve for x
    x = 116,090,733,171.69/356,819.80
  6. Step 6: Final answer
    x = 325,348.35

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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.