Home / 490,888.86-736,342.41-153,921.98

Finding the Fourth Proportional to 490,888.86, 736,342.41 and 153,921.98

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Solution

The fourth proportional to 490,888.86, 736,342.41 and 153,921.98 is: 230,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,888.86 : 736,342.41 = 153,921.98 : x
  2. Step 2: Convert to fraction form
    490,888.86/736,342.41 = 153,921.98/x
  3. Step 3: Cross multiply
    490,888.86x = 736,342.41 × 153,921.98
  4. Step 4: Simplify right side
    490,888.86x = 113,339,278,023.46
  5. Step 5: Solve for x
    x = 113,339,278,023.46/490,888.86
  6. Step 6: Final answer
    x = 230,885.82

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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.