Home / 371,297.50-556,957.20-90,814.75

Finding the Fourth Proportional to 371,297.50, 556,957.20 and 90,814.75

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Solution

The fourth proportional to 371,297.50, 556,957.20 and 90,814.75 is: 136,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,297.50 : 556,957.20 = 90,814.75 : x
  2. Step 2: Convert to fraction form
    371,297.50/556,957.20 = 90,814.75/x
  3. Step 3: Cross multiply
    371,297.50x = 556,957.20 × 90,814.75
  4. Step 4: Simplify right side
    371,297.50x = 50,579,928,878.70
  5. Step 5: Solve for x
    x = 50,579,928,878.70/371,297.50
  6. Step 6: Final answer
    x = 136,224.80

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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.