Home / 402,208.02-555,022.53-220,884.66

Finding the Fourth Proportional to 402,208.02, 555,022.53 and 220,884.66

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Solution

The fourth proportional to 402,208.02, 555,022.53 and 220,884.66 is: 304,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,208.02 : 555,022.53 = 220,884.66 : x
  2. Step 2: Convert to fraction form
    402,208.02/555,022.53 = 220,884.66/x
  3. Step 3: Cross multiply
    402,208.02x = 555,022.53 × 220,884.66
  4. Step 4: Simplify right side
    402,208.02x = 122,595,962,831.39
  5. Step 5: Solve for x
    x = 122,595,962,831.39/402,208.02
  6. Step 6: Final answer
    x = 304,807.36

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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.