Home / 314,724.24-434,313.84-171,485.40

Finding the Fourth Proportional to 314,724.24, 434,313.84 and 171,485.40

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Solution

The fourth proportional to 314,724.24, 434,313.84 and 171,485.40 is: 236,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,724.24 : 434,313.84 = 171,485.40 : x
  2. Step 2: Convert to fraction form
    314,724.24/434,313.84 = 171,485.40/x
  3. Step 3: Cross multiply
    314,724.24x = 434,313.84 × 171,485.40
  4. Step 4: Simplify right side
    314,724.24x = 74,478,482,577.94
  5. Step 5: Solve for x
    x = 74,478,482,577.94/314,724.24
  6. Step 6: Final answer
    x = 236,646.79

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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.