Home / 212,233.11-318,282-70,051.98

Finding the Fourth Proportional to 212,233.11, 318,282 and 70,051.98

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Solution

The fourth proportional to 212,233.11, 318,282 and 70,051.98 is: 105,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,233.11 : 318,282 = 70,051.98 : x
  2. Step 2: Convert to fraction form
    212,233.11/318,282 = 70,051.98/x
  3. Step 3: Cross multiply
    212,233.11x = 318,282 × 70,051.98
  4. Step 4: Simplify right side
    212,233.11x = 22,296,284,298.36
  5. Step 5: Solve for x
    x = 22,296,284,298.36/212,233.11
  6. Step 6: Final answer
    x = 105,055.64

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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.