Home / 297,130.32-445,557.24-156,851.28

Finding the Fourth Proportional to 297,130.32, 445,557.24 and 156,851.28

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Solution

The fourth proportional to 297,130.32, 445,557.24 and 156,851.28 is: 235,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,130.32 : 445,557.24 = 156,851.28 : x
  2. Step 2: Convert to fraction form
    297,130.32/445,557.24 = 156,851.28/x
  3. Step 3: Cross multiply
    297,130.32x = 445,557.24 × 156,851.28
  4. Step 4: Simplify right side
    297,130.32x = 69,886,223,407.27
  5. Step 5: Solve for x
    x = 69,886,223,407.27/297,130.32
  6. Step 6: Final answer
    x = 235,203.94

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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.