Home / 291,275.76-401,961.48-163,953.36

Finding the Fourth Proportional to 291,275.76, 401,961.48 and 163,953.36

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Solution

The fourth proportional to 291,275.76, 401,961.48 and 163,953.36 is: 226,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,275.76 : 401,961.48 = 163,953.36 : x
  2. Step 2: Convert to fraction form
    291,275.76/401,961.48 = 163,953.36/x
  3. Step 3: Cross multiply
    291,275.76x = 401,961.48 × 163,953.36
  4. Step 4: Simplify right side
    291,275.76x = 65,902,935,236.57
  5. Step 5: Solve for x
    x = 65,902,935,236.57/291,275.76
  6. Step 6: Final answer
    x = 226,256.16

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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.