Home / 212,643.63-318,994.61-62,895.69

Finding the Fourth Proportional to 212,643.63, 318,994.61 and 62,895.69

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Solution

The fourth proportional to 212,643.63, 318,994.61 and 62,895.69 is: 94,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,643.63 : 318,994.61 = 62,895.69 : x
  2. Step 2: Convert to fraction form
    212,643.63/318,994.61 = 62,895.69/x
  3. Step 3: Cross multiply
    212,643.63x = 318,994.61 × 62,895.69
  4. Step 4: Simplify right side
    212,643.63x = 20,063,385,787.75
  5. Step 5: Solve for x
    x = 20,063,385,787.75/212,643.63
  6. Step 6: Final answer
    x = 94,352.16

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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.