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Finding the Fourth Proportional to 575,967.14, 863,852.26 and 155,144.60

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Solution

The fourth proportional to 575,967.14, 863,852.26 and 155,144.60 is: 232,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,967.14 : 863,852.26 = 155,144.60 : x
  2. Step 2: Convert to fraction form
    575,967.14/863,852.26 = 155,144.60/x
  3. Step 3: Cross multiply
    575,967.14x = 863,852.26 × 155,144.60
  4. Step 4: Simplify right side
    575,967.14x = 134,022,013,336.80
  5. Step 5: Solve for x
    x = 134,022,013,336.80/575,967.14
  6. Step 6: Final answer
    x = 232,690.38

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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.