Home / 291,225.04-401,810.12-163,893.20

Finding the Fourth Proportional to 291,225.04, 401,810.12 and 163,893.20

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Solution

The fourth proportional to 291,225.04, 401,810.12 and 163,893.20 is: 226,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,225.04 : 401,810.12 = 163,893.20 : x
  2. Step 2: Convert to fraction form
    291,225.04/401,810.12 = 163,893.20/x
  3. Step 3: Cross multiply
    291,225.04x = 401,810.12 × 163,893.20
  4. Step 4: Simplify right side
    291,225.04x = 65,853,946,359.18
  5. Step 5: Solve for x
    x = 65,853,946,359.18/291,225.04
  6. Step 6: Final answer
    x = 226,127.35

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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.