Home / 346,016.16-477,233.64-218,645.28

Finding the Fourth Proportional to 346,016.16, 477,233.64 and 218,645.28

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Solution

The fourth proportional to 346,016.16, 477,233.64 and 218,645.28 is: 301,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,016.16 : 477,233.64 = 218,645.28 : x
  2. Step 2: Convert to fraction form
    346,016.16/477,233.64 = 218,645.28/x
  3. Step 3: Cross multiply
    346,016.16x = 477,233.64 × 218,645.28
  4. Step 4: Simplify right side
    346,016.16x = 104,344,882,843.22
  5. Step 5: Solve for x
    x = 104,344,882,843.22/346,016.16
  6. Step 6: Final answer
    x = 301,560.72

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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.