Home / 346,003.58-477,499.11-218,632.70

Finding the Fourth Proportional to 346,003.58, 477,499.11 and 218,632.70

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Solution

The fourth proportional to 346,003.58, 477,499.11 and 218,632.70 is: 301,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,003.58 : 477,499.11 = 218,632.70 : x
  2. Step 2: Convert to fraction form
    346,003.58/477,499.11 = 218,632.70/x
  3. Step 3: Cross multiply
    346,003.58x = 477,499.11 × 218,632.70
  4. Step 4: Simplify right side
    346,003.58x = 104,396,919,666.90
  5. Step 5: Solve for x
    x = 104,396,919,666.90/346,003.58
  6. Step 6: Final answer
    x = 301,722.08

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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.