Home / 402,344.80-555,004.91-251,179.36

Finding the Fourth Proportional to 402,344.80, 555,004.91 and 251,179.36

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Solution

The fourth proportional to 402,344.80, 555,004.91 and 251,179.36 is: 346,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,344.80 : 555,004.91 = 251,179.36 : x
  2. Step 2: Convert to fraction form
    402,344.80/555,004.91 = 251,179.36/x
  3. Step 3: Cross multiply
    402,344.80x = 555,004.91 × 251,179.36
  4. Step 4: Simplify right side
    402,344.80x = 139,405,777,331.09
  5. Step 5: Solve for x
    x = 139,405,777,331.09/402,344.80
  6. Step 6: Final answer
    x = 346,483.36

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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.