Home / 254,619.86-381,927.36-154,807.58

Finding the Fourth Proportional to 254,619.86, 381,927.36 and 154,807.58

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Solution

The fourth proportional to 254,619.86, 381,927.36 and 154,807.58 is: 232,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,619.86 : 381,927.36 = 154,807.58 : x
  2. Step 2: Convert to fraction form
    254,619.86/381,927.36 = 154,807.58/x
  3. Step 3: Cross multiply
    254,619.86x = 381,927.36 × 154,807.58
  4. Step 4: Simplify right side
    254,619.86x = 59,125,250,337.39
  5. Step 5: Solve for x
    x = 59,125,250,337.39/254,619.86
  6. Step 6: Final answer
    x = 232,209.89

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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.