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Finding the Fourth Proportional to 369,759.92, 510,275.42 and 216,907.74

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Solution

The fourth proportional to 369,759.92, 510,275.42 and 216,907.74 is: 299,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,759.92 : 510,275.42 = 216,907.74 : x
  2. Step 2: Convert to fraction form
    369,759.92/510,275.42 = 216,907.74/x
  3. Step 3: Cross multiply
    369,759.92x = 510,275.42 × 216,907.74
  4. Step 4: Simplify right side
    369,759.92x = 110,682,688,129.75
  5. Step 5: Solve for x
    x = 110,682,688,129.75/369,759.92
  6. Step 6: Final answer
    x = 299,336.63

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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.