Home / 371,328.40-556,992.60-90,845.65

Finding the Fourth Proportional to 371,328.40, 556,992.60 and 90,845.65

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Solution

The fourth proportional to 371,328.40, 556,992.60 and 90,845.65 is: 136,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,328.40 : 556,992.60 = 90,845.65 : x
  2. Step 2: Convert to fraction form
    371,328.40/556,992.60 = 90,845.65/x
  3. Step 3: Cross multiply
    371,328.40x = 556,992.60 × 90,845.65
  4. Step 4: Simplify right side
    371,328.40x = 50,600,354,792.19
  5. Step 5: Solve for x
    x = 50,600,354,792.19/371,328.40
  6. Step 6: Final answer
    x = 136,268.48

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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.