Home / 255,039.03-382,579.97-77,547.58

Finding the Fourth Proportional to 255,039.03, 382,579.97 and 77,547.58

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Solution

The fourth proportional to 255,039.03, 382,579.97 and 77,547.58 is: 116,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,039.03 : 382,579.97 = 77,547.58 : x
  2. Step 2: Convert to fraction form
    255,039.03/382,579.97 = 77,547.58/x
  3. Step 3: Cross multiply
    255,039.03x = 382,579.97 × 77,547.58
  4. Step 4: Simplify right side
    255,039.03x = 29,668,150,829.97
  5. Step 5: Solve for x
    x = 29,668,150,829.97/255,039.03
  6. Step 6: Final answer
    x = 116,327.88

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1.5x scale

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.