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Finding the Fourth Proportional to 373,020.30, 559,695.78 and 195,485.07

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Solution

The fourth proportional to 373,020.30, 559,695.78 and 195,485.07 is: 293,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,020.30 : 559,695.78 = 195,485.07 : x
  2. Step 2: Convert to fraction form
    373,020.30/559,695.78 = 195,485.07/x
  3. Step 3: Cross multiply
    373,020.30x = 559,695.78 × 195,485.07
  4. Step 4: Simplify right side
    373,020.30x = 109,412,168,732.01
  5. Step 5: Solve for x
    x = 109,412,168,732.01/373,020.30
  6. Step 6: Final answer
    x = 293,314.25

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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.