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Finding the Fourth Proportional to 350,558.40, 525,837.60 and 97,838.40

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Solution

The fourth proportional to 350,558.40, 525,837.60 and 97,838.40 is: 146,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,558.40 : 525,837.60 = 97,838.40 : x
  2. Step 2: Convert to fraction form
    350,558.40/525,837.60 = 97,838.40/x
  3. Step 3: Cross multiply
    350,558.40x = 525,837.60 × 97,838.40
  4. Step 4: Simplify right side
    350,558.40x = 51,447,109,443.84
  5. Step 5: Solve for x
    x = 51,447,109,443.84/350,558.40
  6. Step 6: Final answer
    x = 146,757.60

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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.