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Finding the Fourth Proportional to 375,780, 518,848.56 and 241,877.28

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Solution

The fourth proportional to 375,780, 518,848.56 and 241,877.28 is: 333,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,780 : 518,848.56 = 241,877.28 : x
  2. Step 2: Convert to fraction form
    375,780/518,848.56 = 241,877.28/x
  3. Step 3: Cross multiply
    375,780x = 518,848.56 × 241,877.28
  4. Step 4: Simplify right side
    375,780x = 125,497,678,424.72
  5. Step 5: Solve for x
    x = 125,497,678,424.72/375,780
  6. Step 6: Final answer
    x = 333,965.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.