Home / 254,988.23-382,565.55-121,878.86

Finding the Fourth Proportional to 254,988.23, 382,565.55 and 121,878.86

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Solution

The fourth proportional to 254,988.23, 382,565.55 and 121,878.86 is: 182,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,988.23 : 382,565.55 = 121,878.86 : x
  2. Step 2: Convert to fraction form
    254,988.23/382,565.55 = 121,878.86/x
  3. Step 3: Cross multiply
    254,988.23x = 382,565.55 × 121,878.86
  4. Step 4: Simplify right side
    254,988.23x = 46,626,651,196.45
  5. Step 5: Solve for x
    x = 46,626,651,196.45/254,988.23
  6. Step 6: Final answer
    x = 182,858.06

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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.