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Finding the Fourth Proportional to 610,133.93, 915,247.67 and 205,328.12

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Solution

The fourth proportional to 610,133.93, 915,247.67 and 205,328.12 is: 308,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,133.93 : 915,247.67 = 205,328.12 : x
  2. Step 2: Convert to fraction form
    610,133.93/915,247.67 = 205,328.12/x
  3. Step 3: Cross multiply
    610,133.93x = 915,247.67 × 205,328.12
  4. Step 4: Simplify right side
    610,133.93x = 187,926,084,676.96
  5. Step 5: Solve for x
    x = 187,926,084,676.96/610,133.93
  6. Step 6: Final answer
    x = 308,007.93

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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.