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Finding the Fourth Proportional to 557,378.32, 835,969.02 and 220,306.92

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Solution

The fourth proportional to 557,378.32, 835,969.02 and 220,306.92 is: 330,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,378.32 : 835,969.02 = 220,306.92 : x
  2. Step 2: Convert to fraction form
    557,378.32/835,969.02 = 220,306.92/x
  3. Step 3: Cross multiply
    557,378.32x = 835,969.02 × 220,306.92
  4. Step 4: Simplify right side
    557,378.32x = 184,169,760,011.62
  5. Step 5: Solve for x
    x = 184,169,760,011.62/557,378.32
  6. Step 6: Final answer
    x = 330,421.46

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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.