Home / 211,419.24-316,506.78-141,124.20

Finding the Fourth Proportional to 211,419.24, 316,506.78 and 141,124.20

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Solution

The fourth proportional to 211,419.24, 316,506.78 and 141,124.20 is: 211,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,419.24 : 316,506.78 = 141,124.20 : x
  2. Step 2: Convert to fraction form
    211,419.24/316,506.78 = 141,124.20/x
  3. Step 3: Cross multiply
    211,419.24x = 316,506.78 × 141,124.20
  4. Step 4: Simplify right side
    211,419.24x = 44,666,766,122.08
  5. Step 5: Solve for x
    x = 44,666,766,122.08/211,419.24
  6. Step 6: Final answer
    x = 211,271.06

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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.