Home / 429,279.36-643,773.24-148,731.12

Finding the Fourth Proportional to 429,279.36, 643,773.24 and 148,731.12

Calculator

Solution

The fourth proportional to 429,279.36, 643,773.24 and 148,731.12 is: 223,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,279.36 : 643,773.24 = 148,731.12 : x
  2. Step 2: Convert to fraction form
    429,279.36/643,773.24 = 148,731.12/x
  3. Step 3: Cross multiply
    429,279.36x = 643,773.24 × 148,731.12
  4. Step 4: Simplify right side
    429,279.36x = 95,749,115,011.23
  5. Step 5: Solve for x
    x = 95,749,115,011.23/429,279.36
  6. Step 6: Final answer
    x = 223,046.17

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.