Home / 286,293.87-429,463.33-75,931.81

Finding the Fourth Proportional to 286,293.87, 429,463.33 and 75,931.81

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Solution

The fourth proportional to 286,293.87, 429,463.33 and 75,931.81 is: 113,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,293.87 : 429,463.33 = 75,931.81 : x
  2. Step 2: Convert to fraction form
    286,293.87/429,463.33 = 75,931.81/x
  3. Step 3: Cross multiply
    286,293.87x = 429,463.33 × 75,931.81
  4. Step 4: Simplify right side
    286,293.87x = 32,609,926,712.04
  5. Step 5: Solve for x
    x = 32,609,926,712.04/286,293.87
  6. Step 6: Final answer
    x = 113,903.68

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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.