Home / 286,489.51-429,467.14-96,817.23

Finding the Fourth Proportional to 286,489.51, 429,467.14 and 96,817.23

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Solution

The fourth proportional to 286,489.51, 429,467.14 and 96,817.23 is: 145,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,489.51 : 429,467.14 = 96,817.23 : x
  2. Step 2: Convert to fraction form
    286,489.51/429,467.14 = 96,817.23/x
  3. Step 3: Cross multiply
    286,489.51x = 429,467.14 × 96,817.23
  4. Step 4: Simplify right side
    286,489.51x = 41,579,818,870.82
  5. Step 5: Solve for x
    x = 41,579,818,870.82/286,489.51
  6. Step 6: Final answer
    x = 145,135.57

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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.