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Finding the Fourth Proportional to 366,864.58, 506,278.36 and 221,650.17

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Solution

The fourth proportional to 366,864.58, 506,278.36 and 221,650.17 is: 305,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,864.58 : 506,278.36 = 221,650.17 : x
  2. Step 2: Convert to fraction form
    366,864.58/506,278.36 = 221,650.17/x
  3. Step 3: Cross multiply
    366,864.58x = 506,278.36 × 221,650.17
  4. Step 4: Simplify right side
    366,864.58x = 112,216,684,561.32
  5. Step 5: Solve for x
    x = 112,216,684,561.32/366,864.58
  6. Step 6: Final answer
    x = 305,880.40

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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.