Home / 211,968.28-317,962.14-149,915.80

Finding the Fourth Proportional to 211,968.28, 317,962.14 and 149,915.80

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Solution

The fourth proportional to 211,968.28, 317,962.14 and 149,915.80 is: 224,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968.28 : 317,962.14 = 149,915.80 : x
  2. Step 2: Convert to fraction form
    211,968.28/317,962.14 = 149,915.80/x
  3. Step 3: Cross multiply
    211,968.28x = 317,962.14 × 149,915.80
  4. Step 4: Simplify right side
    211,968.28x = 47,667,548,587.81
  5. Step 5: Solve for x
    x = 47,667,548,587.81/211,968.28
  6. Step 6: Final answer
    x = 224,880.57

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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.