Home / 236,878.40-355,317.60-148,404.80

Finding the Fourth Proportional to 236,878.40, 355,317.60 and 148,404.80

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Solution

The fourth proportional to 236,878.40, 355,317.60 and 148,404.80 is: 222,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,878.40 : 355,317.60 = 148,404.80 : x
  2. Step 2: Convert to fraction form
    236,878.40/355,317.60 = 148,404.80/x
  3. Step 3: Cross multiply
    236,878.40x = 355,317.60 × 148,404.80
  4. Step 4: Simplify right side
    236,878.40x = 52,730,837,364.48
  5. Step 5: Solve for x
    x = 52,730,837,364.48/236,878.40
  6. Step 6: Final answer
    x = 222,607.20

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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.