Home / 611,275.54-916,870.02-161,986.46

Finding the Fourth Proportional to 611,275.54, 916,870.02 and 161,986.46

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Solution

The fourth proportional to 611,275.54, 916,870.02 and 161,986.46 is: 242,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,275.54 : 916,870.02 = 161,986.46 : x
  2. Step 2: Convert to fraction form
    611,275.54/916,870.02 = 161,986.46/x
  3. Step 3: Cross multiply
    611,275.54x = 916,870.02 × 161,986.46
  4. Step 4: Simplify right side
    611,275.54x = 148,520,528,819.93
  5. Step 5: Solve for x
    x = 148,520,528,819.93/611,275.54
  6. Step 6: Final answer
    x = 242,968.22

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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.