Home / 355,946.16-491,739.40-233,728.48

Finding the Fourth Proportional to 355,946.16, 491,739.40 and 233,728.48

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Solution

The fourth proportional to 355,946.16, 491,739.40 and 233,728.48 is: 322,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,946.16 : 491,739.40 = 233,728.48 : x
  2. Step 2: Convert to fraction form
    355,946.16/491,739.40 = 233,728.48/x
  3. Step 3: Cross multiply
    355,946.16x = 491,739.40 × 233,728.48
  4. Step 4: Simplify right side
    355,946.16x = 114,933,502,518.11
  5. Step 5: Solve for x
    x = 114,933,502,518.11/355,946.16
  6. Step 6: Final answer
    x = 322,895.75

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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.