Home / 348,335.06-522,065.48-188,404.60

Finding the Fourth Proportional to 348,335.06, 522,065.48 and 188,404.60

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Solution

The fourth proportional to 348,335.06, 522,065.48 and 188,404.60 is: 282,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,335.06 : 522,065.48 = 188,404.60 : x
  2. Step 2: Convert to fraction form
    348,335.06/522,065.48 = 188,404.60/x
  3. Step 3: Cross multiply
    348,335.06x = 522,065.48 × 188,404.60
  4. Step 4: Simplify right side
    348,335.06x = 98,359,537,933.21
  5. Step 5: Solve for x
    x = 98,359,537,933.21/348,335.06
  6. Step 6: Final answer
    x = 282,370.48

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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.