Home / 254,648.03-382,011.66-77,112.77

Finding the Fourth Proportional to 254,648.03, 382,011.66 and 77,112.77

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Solution

The fourth proportional to 254,648.03, 382,011.66 and 77,112.77 is: 115,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,648.03 : 382,011.66 = 77,112.77 : x
  2. Step 2: Convert to fraction form
    254,648.03/382,011.66 = 77,112.77/x
  3. Step 3: Cross multiply
    254,648.03x = 382,011.66 × 77,112.77
  4. Step 4: Simplify right side
    254,648.03x = 29,457,975,364.84
  5. Step 5: Solve for x
    x = 29,457,975,364.84/254,648.03
  6. Step 6: Final answer
    x = 115,681.15

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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.