Home / 291,192.04-401,812.02-163,864.36

Finding the Fourth Proportional to 291,192.04, 401,812.02 and 163,864.36

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Solution

The fourth proportional to 291,192.04, 401,812.02 and 163,864.36 is: 226,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,192.04 : 401,812.02 = 163,864.36 : x
  2. Step 2: Convert to fraction form
    291,192.04/401,812.02 = 163,864.36/x
  3. Step 3: Cross multiply
    291,192.04x = 401,812.02 × 163,864.36
  4. Step 4: Simplify right side
    291,192.04x = 65,842,669,497.61
  5. Step 5: Solve for x
    x = 65,842,669,497.61/291,192.04
  6. Step 6: Final answer
    x = 226,114.25

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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.