Home / 213,233.04-318,507.12-156,571.92

Finding the Fourth Proportional to 213,233.04, 318,507.12 and 156,571.92

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Solution

The fourth proportional to 213,233.04, 318,507.12 and 156,571.92 is: 233,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,233.04 : 318,507.12 = 156,571.92 : x
  2. Step 2: Convert to fraction form
    213,233.04/318,507.12 = 156,571.92/x
  3. Step 3: Cross multiply
    213,233.04x = 318,507.12 × 156,571.92
  4. Step 4: Simplify right side
    213,233.04x = 49,869,271,312.07
  5. Step 5: Solve for x
    x = 49,869,271,312.07/213,233.04
  6. Step 6: Final answer
    x = 233,872.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.