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Finding the Fourth Proportional to 559,135.80, 838,703.70 and 185,158.80

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Solution

The fourth proportional to 559,135.80, 838,703.70 and 185,158.80 is: 277,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,135.80 : 838,703.70 = 185,158.80 : x
  2. Step 2: Convert to fraction form
    559,135.80/838,703.70 = 185,158.80/x
  3. Step 3: Cross multiply
    559,135.80x = 838,703.70 × 185,158.80
  4. Step 4: Simplify right side
    559,135.80x = 155,293,370,647.56
  5. Step 5: Solve for x
    x = 155,293,370,647.56/559,135.80
  6. Step 6: Final answer
    x = 277,738.20

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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.