Home / 268,848.81-370,990.94-154,126.35

Finding the Fourth Proportional to 268,848.81, 370,990.94 and 154,126.35

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Solution

The fourth proportional to 268,848.81, 370,990.94 and 154,126.35 is: 212,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,848.81 : 370,990.94 = 154,126.35 : x
  2. Step 2: Convert to fraction form
    268,848.81/370,990.94 = 154,126.35/x
  3. Step 3: Cross multiply
    268,848.81x = 370,990.94 × 154,126.35
  4. Step 4: Simplify right side
    268,848.81x = 57,179,478,694.64
  5. Step 5: Solve for x
    x = 57,179,478,694.64/268,848.81
  6. Step 6: Final answer
    x = 212,682.65

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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.