Home / 291,479.52-402,243.12-164,157.36

Finding the Fourth Proportional to 291,479.52, 402,243.12 and 164,157.36

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Solution

The fourth proportional to 291,479.52, 402,243.12 and 164,157.36 is: 226,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,479.52 : 402,243.12 = 164,157.36 : x
  2. Step 2: Convert to fraction form
    291,479.52/402,243.12 = 164,157.36/x
  3. Step 3: Cross multiply
    291,479.52x = 402,243.12 × 164,157.36
  4. Step 4: Simplify right side
    291,479.52x = 66,031,168,657.36
  5. Step 5: Solve for x
    x = 66,031,168,657.36/291,479.52
  6. Step 6: Final answer
    x = 226,537.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.