Home / 281,273.24-388,155.66-152,211.62

Finding the Fourth Proportional to 281,273.24, 388,155.66 and 152,211.62

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Solution

The fourth proportional to 281,273.24, 388,155.66 and 152,211.62 is: 210,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,273.24 : 388,155.66 = 152,211.62 : x
  2. Step 2: Convert to fraction form
    281,273.24/388,155.66 = 152,211.62/x
  3. Step 3: Cross multiply
    281,273.24x = 388,155.66 × 152,211.62
  4. Step 4: Simplify right side
    281,273.24x = 59,081,801,820.77
  5. Step 5: Solve for x
    x = 59,081,801,820.77/281,273.24
  6. Step 6: Final answer
    x = 210,051.27

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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.