Home / 268,953.03-403,429.14-81,964.53

Finding the Fourth Proportional to 268,953.03, 403,429.14 and 81,964.53

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Solution

The fourth proportional to 268,953.03, 403,429.14 and 81,964.53 is: 122,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,953.03 : 403,429.14 = 81,964.53 : x
  2. Step 2: Convert to fraction form
    268,953.03/403,429.14 = 81,964.53/x
  3. Step 3: Cross multiply
    268,953.03x = 403,429.14 × 81,964.53
  4. Step 4: Simplify right side
    268,953.03x = 33,066,879,848.40
  5. Step 5: Solve for x
    x = 33,066,879,848.40/268,953.03
  6. Step 6: Final answer
    x = 122,946.67

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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.