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Finding the Fourth Proportional to 508,093.20, 762,030.45 and 223,783.20

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Solution

The fourth proportional to 508,093.20, 762,030.45 and 223,783.20 is: 335,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,093.20 : 762,030.45 = 223,783.20 : x
  2. Step 2: Convert to fraction form
    508,093.20/762,030.45 = 223,783.20/x
  3. Step 3: Cross multiply
    508,093.20x = 762,030.45 × 223,783.20
  4. Step 4: Simplify right side
    508,093.20x = 170,529,612,598.44
  5. Step 5: Solve for x
    x = 170,529,612,598.44/508,093.20
  6. Step 6: Final answer
    x = 335,626.64

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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.