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Finding the Fourth Proportional to 352,000.40, 528,000.60 and 165,376.40

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Solution

The fourth proportional to 352,000.40, 528,000.60 and 165,376.40 is: 248,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,000.40 : 528,000.60 = 165,376.40 : x
  2. Step 2: Convert to fraction form
    352,000.40/528,000.60 = 165,376.40/x
  3. Step 3: Cross multiply
    352,000.40x = 528,000.60 × 165,376.40
  4. Step 4: Simplify right side
    352,000.40x = 87,318,838,425.84
  5. Step 5: Solve for x
    x = 87,318,838,425.84/352,000.40
  6. Step 6: Final answer
    x = 248,064.60

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1.5x scale

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.