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Finding the Fourth Proportional to 610,993.16, 916,534.70 and 161,710.98

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Solution

The fourth proportional to 610,993.16, 916,534.70 and 161,710.98 is: 242,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,993.16 : 916,534.70 = 161,710.98 : x
  2. Step 2: Convert to fraction form
    610,993.16/916,534.70 = 161,710.98/x
  3. Step 3: Cross multiply
    610,993.16x = 916,534.70 × 161,710.98
  4. Step 4: Simplify right side
    610,993.16x = 148,213,723,732.45
  5. Step 5: Solve for x
    x = 148,213,723,732.45/610,993.16
  6. Step 6: Final answer
    x = 242,578.37

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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.