Home / 314,790.24-434,410.56-171,550.20

Finding the Fourth Proportional to 314,790.24, 434,410.56 and 171,550.20

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Solution

The fourth proportional to 314,790.24, 434,410.56 and 171,550.20 is: 236,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,790.24 : 434,410.56 = 171,550.20 : x
  2. Step 2: Convert to fraction form
    314,790.24/434,410.56 = 171,550.20/x
  3. Step 3: Cross multiply
    314,790.24x = 434,410.56 × 171,550.20
  4. Step 4: Simplify right side
    314,790.24x = 74,523,218,450.11
  5. Step 5: Solve for x
    x = 74,523,218,450.11/314,790.24
  6. Step 6: Final answer
    x = 236,739.29

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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.