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Finding the Fourth Proportional to 212,577, 293,369.57 and 117,083.67

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Solution

The fourth proportional to 212,577, 293,369.57 and 117,083.67 is: 161,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,577 : 293,369.57 = 117,083.67 : x
  2. Step 2: Convert to fraction form
    212,577/293,369.57 = 117,083.67/x
  3. Step 3: Cross multiply
    212,577x = 293,369.57 × 117,083.67
  4. Step 4: Simplify right side
    212,577x = 34,348,785,921.92
  5. Step 5: Solve for x
    x = 34,348,785,921.92/212,577
  6. Step 6: Final answer
    x = 161,582.80

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1.5x scale

Why These Related Problems?

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