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Finding the Fourth Proportional to 218,233.40, 301,203.45 and 136,599.53

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Solution

The fourth proportional to 218,233.40, 301,203.45 and 136,599.53 is: 188,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,233.40 : 301,203.45 = 136,599.53 : x
  2. Step 2: Convert to fraction form
    218,233.40/301,203.45 = 136,599.53/x
  3. Step 3: Cross multiply
    218,233.40x = 301,203.45 × 136,599.53
  4. Step 4: Simplify right side
    218,233.40x = 41,144,248,198.36
  5. Step 5: Solve for x
    x = 41,144,248,198.36/218,233.40
  6. Step 6: Final answer
    x = 188,533.24

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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.