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Finding the Fourth Proportional to 389,296, 583,944 and 93,808

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Solution

The fourth proportional to 389,296, 583,944 and 93,808 is: 140,712

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,296 : 583,944 = 93,808 : x
  2. Step 2: Convert to fraction form
    389,296/583,944 = 93,808/x
  3. Step 3: Cross multiply
    389,296x = 583,944 × 93,808
  4. Step 4: Simplify right side
    389,296x = 54,778,618,752
  5. Step 5: Solve for x
    x = 54,778,618,752/389,296
  6. Step 6: Final answer
    x = 140,712

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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.