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Finding the Fourth Proportional to 194,246.40, 290,851.20 and 194,246.40

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Solution

The fourth proportional to 194,246.40, 290,851.20 and 194,246.40 is: 290,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,246.40 : 290,851.20 = 194,246.40 : x
  2. Step 2: Convert to fraction form
    194,246.40/290,851.20 = 194,246.40/x
  3. Step 3: Cross multiply
    194,246.40x = 290,851.20 × 194,246.40
  4. Step 4: Simplify right side
    194,246.40x = 56,496,798,535.68
  5. Step 5: Solve for x
    x = 56,496,798,535.68/194,246.40
  6. Step 6: Final answer
    x = 290,851.20

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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.