Home / 286,905.92-429,965.15-181,536.26

Finding the Fourth Proportional to 286,905.92, 429,965.15 and 181,536.26

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Solution

The fourth proportional to 286,905.92, 429,965.15 and 181,536.26 is: 272,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,905.92 : 429,965.15 = 181,536.26 : x
  2. Step 2: Convert to fraction form
    286,905.92/429,965.15 = 181,536.26/x
  3. Step 3: Cross multiply
    286,905.92x = 429,965.15 × 181,536.26
  4. Step 4: Simplify right side
    286,905.92x = 78,054,262,203.83
  5. Step 5: Solve for x
    x = 78,054,262,203.83/286,905.92
  6. Step 6: Final answer
    x = 272,055.26

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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.