Home / 315,110.44-434,852.10-171,870.04

Finding the Fourth Proportional to 315,110.44, 434,852.10 and 171,870.04

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Solution

The fourth proportional to 315,110.44, 434,852.10 and 171,870.04 is: 237,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,110.44 : 434,852.10 = 171,870.04 : x
  2. Step 2: Convert to fraction form
    315,110.44/434,852.10 = 171,870.04/x
  3. Step 3: Cross multiply
    315,110.44x = 434,852.10 × 171,870.04
  4. Step 4: Simplify right side
    315,110.44x = 74,738,047,821.08
  5. Step 5: Solve for x
    x = 74,738,047,821.08/315,110.44
  6. Step 6: Final answer
    x = 237,180.49

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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.