Home / 315,214.20-434,994.98-171,974.34

Finding the Fourth Proportional to 315,214.20, 434,994.98 and 171,974.34

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Solution

The fourth proportional to 315,214.20, 434,994.98 and 171,974.34 is: 237,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,214.20 : 434,994.98 = 171,974.34 : x
  2. Step 2: Convert to fraction form
    315,214.20/434,994.98 = 171,974.34/x
  3. Step 3: Cross multiply
    315,214.20x = 434,994.98 × 171,974.34
  4. Step 4: Simplify right side
    315,214.20x = 74,807,974,588.81
  5. Step 5: Solve for x
    x = 74,807,974,588.81/315,214.20
  6. Step 6: Final answer
    x = 237,324.25

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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.