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Finding the Fourth Proportional to 367,312, 551,060.48 and 104,656

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Solution

The fourth proportional to 367,312, 551,060.48 and 104,656 is: 157,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,312 : 551,060.48 = 104,656 : x
  2. Step 2: Convert to fraction form
    367,312/551,060.48 = 104,656/x
  3. Step 3: Cross multiply
    367,312x = 551,060.48 × 104,656
  4. Step 4: Simplify right side
    367,312x = 57,671,785,594.88
  5. Step 5: Solve for x
    x = 57,671,785,594.88/367,312
  6. Step 6: Final answer
    x = 157,010.35

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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.