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Finding the Fourth Proportional to 330,459.16, 456,036.42 and 179,556.16

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Solution

The fourth proportional to 330,459.16, 456,036.42 and 179,556.16 is: 247,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,459.16 : 456,036.42 = 179,556.16 : x
  2. Step 2: Convert to fraction form
    330,459.16/456,036.42 = 179,556.16/x
  3. Step 3: Cross multiply
    330,459.16x = 456,036.42 × 179,556.16
  4. Step 4: Simplify right side
    330,459.16x = 81,884,148,395.35
  5. Step 5: Solve for x
    x = 81,884,148,395.35/330,459.16
  6. Step 6: Final answer
    x = 247,789.01

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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.