Home / 346,116.96-477,540.72-217,162.08

Finding the Fourth Proportional to 346,116.96, 477,540.72 and 217,162.08

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Solution

The fourth proportional to 346,116.96, 477,540.72 and 217,162.08 is: 299,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,116.96 : 477,540.72 = 217,162.08 : x
  2. Step 2: Convert to fraction form
    346,116.96/477,540.72 = 217,162.08/x
  3. Step 3: Cross multiply
    346,116.96x = 477,540.72 × 217,162.08
  4. Step 4: Simplify right side
    346,116.96x = 103,703,736,039.90
  5. Step 5: Solve for x
    x = 103,703,736,039.90/346,116.96
  6. Step 6: Final answer
    x = 299,620.50

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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.