Home / 258,369.23-356,569.48-155,007.30

Finding the Fourth Proportional to 258,369.23, 356,569.48 and 155,007.30

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Solution

The fourth proportional to 258,369.23, 356,569.48 and 155,007.30 is: 213,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,369.23 : 356,569.48 = 155,007.30 : x
  2. Step 2: Convert to fraction form
    258,369.23/356,569.48 = 155,007.30/x
  3. Step 3: Cross multiply
    258,369.23x = 356,569.48 × 155,007.30
  4. Step 4: Simplify right side
    258,369.23x = 55,270,872,357.20
  5. Step 5: Solve for x
    x = 55,270,872,357.20/258,369.23
  6. Step 6: Final answer
    x = 213,922.04

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1.5x scale

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.