Home / 296,778.24-445,223.04-119,298.72

Finding the Fourth Proportional to 296,778.24, 445,223.04 and 119,298.72

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Solution

The fourth proportional to 296,778.24, 445,223.04 and 119,298.72 is: 178,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,778.24 : 445,223.04 = 119,298.72 : x
  2. Step 2: Convert to fraction form
    296,778.24/445,223.04 = 119,298.72/x
  3. Step 3: Cross multiply
    296,778.24x = 445,223.04 × 119,298.72
  4. Step 4: Simplify right side
    296,778.24x = 53,114,538,786.51
  5. Step 5: Solve for x
    x = 53,114,538,786.51/296,778.24
  6. Step 6: Final answer
    x = 178,970.46

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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.