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Finding the Fourth Proportional to 295,653.81, 408,002.13 and 159,687.72

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Solution

The fourth proportional to 295,653.81, 408,002.13 and 159,687.72 is: 220,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,653.81 : 408,002.13 = 159,687.72 : x
  2. Step 2: Convert to fraction form
    295,653.81/408,002.13 = 159,687.72/x
  3. Step 3: Cross multiply
    295,653.81x = 408,002.13 × 159,687.72
  4. Step 4: Simplify right side
    295,653.81x = 65,152,929,894.84
  5. Step 5: Solve for x
    x = 65,152,929,894.84/295,653.81
  6. Step 6: Final answer
    x = 220,368.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.