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Finding the Fourth Proportional to 246,476.65, 369,661.59 and 78,010.67

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Solution

The fourth proportional to 246,476.65, 369,661.59 and 78,010.67 is: 116,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,476.65 : 369,661.59 = 78,010.67 : x
  2. Step 2: Convert to fraction form
    246,476.65/369,661.59 = 78,010.67/x
  3. Step 3: Cross multiply
    246,476.65x = 369,661.59 × 78,010.67
  4. Step 4: Simplify right side
    246,476.65x = 28,837,548,309.17
  5. Step 5: Solve for x
    x = 28,837,548,309.17/246,476.65
  6. Step 6: Final answer
    x = 116,999.11

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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.