Home / 286,148.47-429,312.91-179,606.53

Finding the Fourth Proportional to 286,148.47, 429,312.91 and 179,606.53

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Solution

The fourth proportional to 286,148.47, 429,312.91 and 179,606.53 is: 269,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,148.47 : 429,312.91 = 179,606.53 : x
  2. Step 2: Convert to fraction form
    286,148.47/429,312.91 = 179,606.53/x
  3. Step 3: Cross multiply
    286,148.47x = 429,312.91 × 179,606.53
  4. Step 4: Simplify right side
    286,148.47x = 77,107,402,049.30
  5. Step 5: Solve for x
    x = 77,107,402,049.30/286,148.47
  6. Step 6: Final answer
    x = 269,466.42

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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.