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Finding the Fourth Proportional to 369,806.73, 510,335.69 and 216,810.69

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Solution

The fourth proportional to 369,806.73, 510,335.69 and 216,810.69 is: 299,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,806.73 : 510,335.69 = 216,810.69 : x
  2. Step 2: Convert to fraction form
    369,806.73/510,335.69 = 216,810.69/x
  3. Step 3: Cross multiply
    369,806.73x = 510,335.69 × 216,810.69
  4. Step 4: Simplify right side
    369,806.73x = 110,646,231,996.47
  5. Step 5: Solve for x
    x = 110,646,231,996.47/369,806.73
  6. Step 6: Final answer
    x = 299,200.16

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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.