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Finding the Fourth Proportional to 239,482.77, 330,508.41 and 137,521.59

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Solution

The fourth proportional to 239,482.77, 330,508.41 and 137,521.59 is: 189,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,482.77 : 330,508.41 = 137,521.59 : x
  2. Step 2: Convert to fraction form
    239,482.77/330,508.41 = 137,521.59/x
  3. Step 3: Cross multiply
    239,482.77x = 330,508.41 × 137,521.59
  4. Step 4: Simplify right side
    239,482.77x = 45,452,042,051.57
  5. Step 5: Solve for x
    x = 45,452,042,051.57/239,482.77
  6. Step 6: Final answer
    x = 189,792.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.