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Finding the Fourth Proportional to 357,646.68, 493,769.16 and 236,891.46

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Solution

The fourth proportional to 357,646.68, 493,769.16 and 236,891.46 is: 327,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,646.68 : 493,769.16 = 236,891.46 : x
  2. Step 2: Convert to fraction form
    357,646.68/493,769.16 = 236,891.46/x
  3. Step 3: Cross multiply
    357,646.68x = 493,769.16 × 236,891.46
  4. Step 4: Simplify right side
    357,646.68x = 116,969,697,215.37
  5. Step 5: Solve for x
    x = 116,969,697,215.37/357,646.68
  6. Step 6: Final answer
    x = 327,053.78

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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.