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Finding the Fourth Proportional to 538,854.10, 808,216.35 and 223,278.10

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Solution

The fourth proportional to 538,854.10, 808,216.35 and 223,278.10 is: 334,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,854.10 : 808,216.35 = 223,278.10 : x
  2. Step 2: Convert to fraction form
    538,854.10/808,216.35 = 223,278.10/x
  3. Step 3: Cross multiply
    538,854.10x = 808,216.35 × 223,278.10
  4. Step 4: Simplify right side
    538,854.10x = 180,457,011,016.94
  5. Step 5: Solve for x
    x = 180,457,011,016.94/538,854.10
  6. Step 6: Final answer
    x = 334,890.30

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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.