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Finding the Fourth Proportional to 243,299, 365,145.08 and 103,156.04

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Solution

The fourth proportional to 243,299, 365,145.08 and 103,156.04 is: 154,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,299 : 365,145.08 = 103,156.04 : x
  2. Step 2: Convert to fraction form
    243,299/365,145.08 = 103,156.04/x
  3. Step 3: Cross multiply
    243,299x = 365,145.08 × 103,156.04
  4. Step 4: Simplify right side
    243,299x = 37,666,920,478.28
  5. Step 5: Solve for x
    x = 37,666,920,478.28/243,299
  6. Step 6: Final answer
    x = 154,817.41

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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.