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Finding the Fourth Proportional to 313,886.77, 470,759.22 and 89,242.29

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Solution

The fourth proportional to 313,886.77, 470,759.22 and 89,242.29 is: 133,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,886.77 : 470,759.22 = 89,242.29 : x
  2. Step 2: Convert to fraction form
    313,886.77/470,759.22 = 89,242.29/x
  3. Step 3: Cross multiply
    313,886.77x = 470,759.22 × 89,242.29
  4. Step 4: Simplify right side
    313,886.77x = 42,011,630,831.41
  5. Step 5: Solve for x
    x = 42,011,630,831.41/313,886.77
  6. Step 6: Final answer
    x = 133,843.27

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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.