Home / 429,290.26-643,927.83-148,803.46

Finding the Fourth Proportional to 429,290.26, 643,927.83 and 148,803.46

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Solution

The fourth proportional to 429,290.26, 643,927.83 and 148,803.46 is: 223,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,290.26 : 643,927.83 = 148,803.46 : x
  2. Step 2: Convert to fraction form
    429,290.26/643,927.83 = 148,803.46/x
  3. Step 3: Cross multiply
    429,290.26x = 643,927.83 × 148,803.46
  4. Step 4: Simplify right side
    429,290.26x = 95,818,689,094.29
  5. Step 5: Solve for x
    x = 95,818,689,094.29/429,290.26
  6. Step 6: Final answer
    x = 223,202.57

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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.