Home / 382,247.23-570,145.85-331,931.65

Finding the Fourth Proportional to 382,247.23, 570,145.85 and 331,931.65

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Solution

The fourth proportional to 382,247.23, 570,145.85 and 331,931.65 is: 495,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,247.23 : 570,145.85 = 331,931.65 : x
  2. Step 2: Convert to fraction form
    382,247.23/570,145.85 = 331,931.65/x
  3. Step 3: Cross multiply
    382,247.23x = 570,145.85 × 331,931.65
  4. Step 4: Simplify right side
    382,247.23x = 189,249,452,731.15
  5. Step 5: Solve for x
    x = 189,249,452,731.15/382,247.23
  6. Step 6: Final answer
    x = 495,096.99

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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.