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Finding the Fourth Proportional to 370,494, 554,853 and 190,104.72

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Solution

The fourth proportional to 370,494, 554,853 and 190,104.72 is: 284,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,494 : 554,853 = 190,104.72 : x
  2. Step 2: Convert to fraction form
    370,494/554,853 = 190,104.72/x
  3. Step 3: Cross multiply
    370,494x = 554,853 × 190,104.72
  4. Step 4: Simplify right side
    370,494x = 105,480,174,206.16
  5. Step 5: Solve for x
    x = 105,480,174,206.16/370,494
  6. Step 6: Final answer
    x = 284,701.44

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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.