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Finding the Fourth Proportional to 369,071.51, 509,250.44 and 216,101.79

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Solution

The fourth proportional to 369,071.51, 509,250.44 and 216,101.79 is: 298,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,071.51 : 509,250.44 = 216,101.79 : x
  2. Step 2: Convert to fraction form
    369,071.51/509,250.44 = 216,101.79/x
  3. Step 3: Cross multiply
    369,071.51x = 509,250.44 × 216,101.79
  4. Step 4: Simplify right side
    369,071.51x = 110,049,932,182.54
  5. Step 5: Solve for x
    x = 110,049,932,182.54/369,071.51
  6. Step 6: Final answer
    x = 298,180.52

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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.