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Finding the Fourth Proportional to 223,527.80, 335,291.70 and 57,315.80

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Solution

The fourth proportional to 223,527.80, 335,291.70 and 57,315.80 is: 85,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,527.80 : 335,291.70 = 57,315.80 : x
  2. Step 2: Convert to fraction form
    223,527.80/335,291.70 = 57,315.80/x
  3. Step 3: Cross multiply
    223,527.80x = 335,291.70 × 57,315.80
  4. Step 4: Simplify right side
    223,527.80x = 19,217,512,018.86
  5. Step 5: Solve for x
    x = 19,217,512,018.86/223,527.80
  6. Step 6: Final answer
    x = 85,973.70

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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.