Home / 291,427.48-402,208.22-164,127.96

Finding the Fourth Proportional to 291,427.48, 402,208.22 and 164,127.96

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Solution

The fourth proportional to 291,427.48, 402,208.22 and 164,127.96 is: 226,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,427.48 : 402,208.22 = 164,127.96 : x
  2. Step 2: Convert to fraction form
    291,427.48/402,208.22 = 164,127.96/x
  3. Step 3: Cross multiply
    291,427.48x = 402,208.22 × 164,127.96
  4. Step 4: Simplify right side
    291,427.48x = 66,013,614,643.83
  5. Step 5: Solve for x
    x = 66,013,614,643.83/291,427.48
  6. Step 6: Final answer
    x = 226,518.15

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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.