Home / 315,189.35-434,952.68-171,949.35

Finding the Fourth Proportional to 315,189.35, 434,952.68 and 171,949.35

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Solution

The fourth proportional to 315,189.35, 434,952.68 and 171,949.35 is: 237,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,189.35 : 434,952.68 = 171,949.35 : x
  2. Step 2: Convert to fraction form
    315,189.35/434,952.68 = 171,949.35/x
  3. Step 3: Cross multiply
    315,189.35x = 434,952.68 × 171,949.35
  4. Step 4: Simplify right side
    315,189.35x = 74,789,831,036.63
  5. Step 5: Solve for x
    x = 74,789,831,036.63/315,189.35
  6. Step 6: Final answer
    x = 237,285.40

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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.