Home / 286,618.23-429,926.79-76,256.16

Finding the Fourth Proportional to 286,618.23, 429,926.79 and 76,256.16

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Solution

The fourth proportional to 286,618.23, 429,926.79 and 76,256.16 is: 114,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,618.23 : 429,926.79 = 76,256.16 : x
  2. Step 2: Convert to fraction form
    286,618.23/429,926.79 = 76,256.16/x
  3. Step 3: Cross multiply
    286,618.23x = 429,926.79 × 76,256.16
  4. Step 4: Simplify right side
    286,618.23x = 32,784,566,086.53
  5. Step 5: Solve for x
    x = 32,784,566,086.53/286,618.23
  6. Step 6: Final answer
    x = 114,384.09

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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.