Home / 270,688.96-406,031.68-211,574.40

Finding the Fourth Proportional to 270,688.96, 406,031.68 and 211,574.40

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Solution

The fourth proportional to 270,688.96, 406,031.68 and 211,574.40 is: 317,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,688.96 : 406,031.68 = 211,574.40 : x
  2. Step 2: Convert to fraction form
    270,688.96/406,031.68 = 211,574.40/x
  3. Step 3: Cross multiply
    270,688.96x = 406,031.68 × 211,574.40
  4. Step 4: Simplify right side
    270,688.96x = 85,905,909,076.99
  5. Step 5: Solve for x
    x = 85,905,909,076.99/270,688.96
  6. Step 6: Final answer
    x = 317,360.22

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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.