Home / 286,747.49-430,093.45-87,069.63

Finding the Fourth Proportional to 286,747.49, 430,093.45 and 87,069.63

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Solution

The fourth proportional to 286,747.49, 430,093.45 and 87,069.63 is: 130,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,747.49 : 430,093.45 = 87,069.63 : x
  2. Step 2: Convert to fraction form
    286,747.49/430,093.45 = 87,069.63/x
  3. Step 3: Cross multiply
    286,747.49x = 430,093.45 × 87,069.63
  4. Step 4: Simplify right side
    286,747.49x = 37,448,078,788.84
  5. Step 5: Solve for x
    x = 37,448,078,788.84/286,747.49
  6. Step 6: Final answer
    x = 130,596.01

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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.