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Finding the Fourth Proportional to 223,880.20, 335,820.30 and 221,547.40

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Solution

The fourth proportional to 223,880.20, 335,820.30 and 221,547.40 is: 332,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,880.20 : 335,820.30 = 221,547.40 : x
  2. Step 2: Convert to fraction form
    223,880.20/335,820.30 = 221,547.40/x
  3. Step 3: Cross multiply
    223,880.20x = 335,820.30 × 221,547.40
  4. Step 4: Simplify right side
    223,880.20x = 74,400,114,332.22
  5. Step 5: Solve for x
    x = 74,400,114,332.22/223,880.20
  6. Step 6: Final answer
    x = 332,321.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.