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Finding the Fourth Proportional to 350,597.89, 525,985.26 and 97,878.16

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Solution

The fourth proportional to 350,597.89, 525,985.26 and 97,878.16 is: 146,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,597.89 : 525,985.26 = 97,878.16 : x
  2. Step 2: Convert to fraction form
    350,597.89/525,985.26 = 97,878.16/x
  3. Step 3: Cross multiply
    350,597.89x = 525,985.26 × 97,878.16
  4. Step 4: Simplify right side
    350,597.89x = 51,482,469,435.92
  5. Step 5: Solve for x
    x = 51,482,469,435.92/350,597.89
  6. Step 6: Final answer
    x = 146,841.93

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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.