Home / 340,221.17-469,504.68-211,111.63

Finding the Fourth Proportional to 340,221.17, 469,504.68 and 211,111.63

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Solution

The fourth proportional to 340,221.17, 469,504.68 and 211,111.63 is: 291,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,221.17 : 469,504.68 = 211,111.63 : x
  2. Step 2: Convert to fraction form
    340,221.17/469,504.68 = 211,111.63/x
  3. Step 3: Cross multiply
    340,221.17x = 469,504.68 × 211,111.63
  4. Step 4: Simplify right side
    340,221.17x = 99,117,898,287.43
  5. Step 5: Solve for x
    x = 99,117,898,287.43/340,221.17
  6. Step 6: Final answer
    x = 291,333.72

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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.