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Finding the Fourth Proportional to 212,666.31, 293,492.57 and 117,172.98

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Solution

The fourth proportional to 212,666.31, 293,492.57 and 117,172.98 is: 161,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,666.31 : 293,492.57 = 117,172.98 : x
  2. Step 2: Convert to fraction form
    212,666.31/293,492.57 = 117,172.98/x
  3. Step 3: Cross multiply
    212,666.31x = 293,492.57 × 117,172.98
  4. Step 4: Simplify right side
    212,666.31x = 34,389,398,448.89
  5. Step 5: Solve for x
    x = 34,389,398,448.89/212,666.31
  6. Step 6: Final answer
    x = 161,705.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.