Home / 399,985.37-552,013.88-227,955.95

Finding the Fourth Proportional to 399,985.37, 552,013.88 and 227,955.95

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Solution

The fourth proportional to 399,985.37, 552,013.88 and 227,955.95 is: 314,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,985.37 : 552,013.88 = 227,955.95 : x
  2. Step 2: Convert to fraction form
    399,985.37/552,013.88 = 227,955.95/x
  3. Step 3: Cross multiply
    399,985.37x = 552,013.88 × 227,955.95
  4. Step 4: Simplify right side
    399,985.37x = 125,834,844,528.74
  5. Step 5: Solve for x
    x = 125,834,844,528.74/399,985.37
  6. Step 6: Final answer
    x = 314,598.62

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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.