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Finding the Fourth Proportional to 314,574.66, 434,113.70 and 171,334.26

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Solution

The fourth proportional to 314,574.66, 434,113.70 and 171,334.26 is: 236,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,574.66 : 434,113.70 = 171,334.26 : x
  2. Step 2: Convert to fraction form
    314,574.66/434,113.70 = 171,334.26/x
  3. Step 3: Cross multiply
    314,574.66x = 434,113.70 × 171,334.26
  4. Step 4: Simplify right side
    314,574.66x = 74,378,548,688.69
  5. Step 5: Solve for x
    x = 74,378,548,688.69/314,574.66
  6. Step 6: Final answer
    x = 236,441.64

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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.