Home / 286,521.27-429,867.77-115,655.01

Finding the Fourth Proportional to 286,521.27, 429,867.77 and 115,655.01

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Solution

The fourth proportional to 286,521.27, 429,867.77 and 115,655.01 is: 173,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,521.27 : 429,867.77 = 115,655.01 : x
  2. Step 2: Convert to fraction form
    286,521.27/429,867.77 = 115,655.01/x
  3. Step 3: Cross multiply
    286,521.27x = 429,867.77 × 115,655.01
  4. Step 4: Simplify right side
    286,521.27x = 49,716,360,659.75
  5. Step 5: Solve for x
    x = 49,716,360,659.75/286,521.27
  6. Step 6: Final answer
    x = 173,517.17

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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.