Home / 309,154.88-426,633.12-175,031.36

Finding the Fourth Proportional to 309,154.88, 426,633.12 and 175,031.36

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Solution

The fourth proportional to 309,154.88, 426,633.12 and 175,031.36 is: 241,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,154.88 : 426,633.12 = 175,031.36 : x
  2. Step 2: Convert to fraction form
    309,154.88/426,633.12 = 175,031.36/x
  3. Step 3: Cross multiply
    309,154.88x = 426,633.12 × 175,031.36
  4. Step 4: Simplify right side
    309,154.88x = 74,674,175,214.64
  5. Step 5: Solve for x
    x = 74,674,175,214.64/309,154.88
  6. Step 6: Final answer
    x = 241,542.93

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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.