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Finding the Fourth Proportional to 444,071.51, 612,818.25 and 240,121.95

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Solution

The fourth proportional to 444,071.51, 612,818.25 and 240,121.95 is: 331,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,071.51 : 612,818.25 = 240,121.95 : x
  2. Step 2: Convert to fraction form
    444,071.51/612,818.25 = 240,121.95/x
  3. Step 3: Cross multiply
    444,071.51x = 612,818.25 × 240,121.95
  4. Step 4: Simplify right side
    444,071.51x = 147,151,110,121.50
  5. Step 5: Solve for x
    x = 147,151,110,121.50/444,071.51
  6. Step 6: Final answer
    x = 331,368.05

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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.