Home / 217,197.30-299,400-152,484.99

Finding the Fourth Proportional to 217,197.30, 299,400 and 152,484.99

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Solution

The fourth proportional to 217,197.30, 299,400 and 152,484.99 is: 210,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,197.30 : 299,400 = 152,484.99 : x
  2. Step 2: Convert to fraction form
    217,197.30/299,400 = 152,484.99/x
  3. Step 3: Cross multiply
    217,197.30x = 299,400 × 152,484.99
  4. Step 4: Simplify right side
    217,197.30x = 45,654,006,006
  5. Step 5: Solve for x
    x = 45,654,006,006/217,197.30
  6. Step 6: Final answer
    x = 210,196.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.