Home / 212,637.30-318,664.35-173,271.30

Finding the Fourth Proportional to 212,637.30, 318,664.35 and 173,271.30

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Solution

The fourth proportional to 212,637.30, 318,664.35 and 173,271.30 is: 259,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,637.30 : 318,664.35 = 173,271.30 : x
  2. Step 2: Convert to fraction form
    212,637.30/318,664.35 = 173,271.30/x
  3. Step 3: Cross multiply
    212,637.30x = 318,664.35 × 173,271.30
  4. Step 4: Simplify right side
    212,637.30x = 55,215,386,188.16
  5. Step 5: Solve for x
    x = 55,215,386,188.16/212,637.30
  6. Step 6: Final answer
    x = 259,669.33

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1.5x scale

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.