Home / 266,258.46-367,429.62-145,393.50

Finding the Fourth Proportional to 266,258.46, 367,429.62 and 145,393.50

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Solution

The fourth proportional to 266,258.46, 367,429.62 and 145,393.50 is: 200,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,258.46 : 367,429.62 = 145,393.50 : x
  2. Step 2: Convert to fraction form
    266,258.46/367,429.62 = 145,393.50/x
  3. Step 3: Cross multiply
    266,258.46x = 367,429.62 × 145,393.50
  4. Step 4: Simplify right side
    266,258.46x = 53,421,878,455.47
  5. Step 5: Solve for x
    x = 53,421,878,455.47/266,258.46
  6. Step 6: Final answer
    x = 200,639.18

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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.