Home / 212,477.12-318,641.39-62,677.63

Finding the Fourth Proportional to 212,477.12, 318,641.39 and 62,677.63

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Solution

The fourth proportional to 212,477.12, 318,641.39 and 62,677.63 is: 93,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,477.12 : 318,641.39 = 62,677.63 : x
  2. Step 2: Convert to fraction form
    212,477.12/318,641.39 = 62,677.63/x
  3. Step 3: Cross multiply
    212,477.12x = 318,641.39 × 62,677.63
  4. Step 4: Simplify right side
    212,477.12x = 19,971,687,145.11
  5. Step 5: Solve for x
    x = 19,971,687,145.11/212,477.12
  6. Step 6: Final answer
    x = 93,994.53

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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.