Home / 315,173.13-434,938.71-171,932.83

Finding the Fourth Proportional to 315,173.13, 434,938.71 and 171,932.83

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Solution

The fourth proportional to 315,173.13, 434,938.71 and 171,932.83 is: 237,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,173.13 : 434,938.71 = 171,932.83 : x
  2. Step 2: Convert to fraction form
    315,173.13/434,938.71 = 171,932.83/x
  3. Step 3: Cross multiply
    315,173.13x = 434,938.71 × 171,932.83
  4. Step 4: Simplify right side
    315,173.13x = 74,780,242,844.25
  5. Step 5: Solve for x
    x = 74,780,242,844.25/315,173.13
  6. Step 6: Final answer
    x = 237,267.19

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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.