Home / 286,239.33-429,348.06-117,712.76

Finding the Fourth Proportional to 286,239.33, 429,348.06 and 117,712.76

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Solution

The fourth proportional to 286,239.33, 429,348.06 and 117,712.76 is: 176,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,239.33 : 429,348.06 = 117,712.76 : x
  2. Step 2: Convert to fraction form
    286,239.33/429,348.06 = 117,712.76/x
  3. Step 3: Cross multiply
    286,239.33x = 429,348.06 × 117,712.76
  4. Step 4: Simplify right side
    286,239.33x = 50,539,742,996.51
  5. Step 5: Solve for x
    x = 50,539,742,996.51/286,239.33
  6. Step 6: Final answer
    x = 176,564.64

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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.