Home / 611,274.54-916,868.52-161,985.46

Finding the Fourth Proportional to 611,274.54, 916,868.52 and 161,985.46

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Solution

The fourth proportional to 611,274.54, 916,868.52 and 161,985.46 is: 242,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,274.54 : 916,868.52 = 161,985.46 : x
  2. Step 2: Convert to fraction form
    611,274.54/916,868.52 = 161,985.46/x
  3. Step 3: Cross multiply
    611,274.54x = 916,868.52 × 161,985.46
  4. Step 4: Simplify right side
    611,274.54x = 148,519,368,971.72
  5. Step 5: Solve for x
    x = 148,519,368,971.72/611,274.54
  6. Step 6: Final answer
    x = 242,966.72

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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.