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Finding the Fourth Proportional to 373,440, 560,160 and 110,784

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Solution

The fourth proportional to 373,440, 560,160 and 110,784 is: 166,176

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,440 : 560,160 = 110,784 : x
  2. Step 2: Convert to fraction form
    373,440/560,160 = 110,784/x
  3. Step 3: Cross multiply
    373,440x = 560,160 × 110,784
  4. Step 4: Simplify right side
    373,440x = 62,056,765,440
  5. Step 5: Solve for x
    x = 62,056,765,440/373,440
  6. Step 6: Final answer
    x = 166,176

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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.