Home / 286,623.72-429,997.41-86,960.18

Finding the Fourth Proportional to 286,623.72, 429,997.41 and 86,960.18

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Solution

The fourth proportional to 286,623.72, 429,997.41 and 86,960.18 is: 130,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,623.72 : 429,997.41 = 86,960.18 : x
  2. Step 2: Convert to fraction form
    286,623.72/429,997.41 = 86,960.18/x
  3. Step 3: Cross multiply
    286,623.72x = 429,997.41 × 86,960.18
  4. Step 4: Simplify right side
    286,623.72x = 37,392,653,248.13
  5. Step 5: Solve for x
    x = 37,392,653,248.13/286,623.72
  6. Step 6: Final answer
    x = 130,459.03

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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.