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Finding the Fourth Proportional to 214,215.15, 295,616.94 and 118,728.01

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Solution

The fourth proportional to 214,215.15, 295,616.94 and 118,728.01 is: 163,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,215.15 : 295,616.94 = 118,728.01 : x
  2. Step 2: Convert to fraction form
    214,215.15/295,616.94 = 118,728.01/x
  3. Step 3: Cross multiply
    214,215.15x = 295,616.94 × 118,728.01
  4. Step 4: Simplify right side
    214,215.15x = 35,098,011,008.49
  5. Step 5: Solve for x
    x = 35,098,011,008.49/214,215.15
  6. Step 6: Final answer
    x = 163,844.67

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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.