Home / 285,931.80-429,567.96-269,774.16

Finding the Fourth Proportional to 285,931.80, 429,567.96 and 269,774.16

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Solution

The fourth proportional to 285,931.80, 429,567.96 and 269,774.16 is: 405,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,931.80 : 429,567.96 = 269,774.16 : x
  2. Step 2: Convert to fraction form
    285,931.80/429,567.96 = 269,774.16/x
  3. Step 3: Cross multiply
    285,931.80x = 429,567.96 × 269,774.16
  4. Step 4: Simplify right side
    285,931.80x = 115,886,335,571.91
  5. Step 5: Solve for x
    x = 115,886,335,571.91/285,931.80
  6. Step 6: Final answer
    x = 405,293.62

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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.