Home / 314,921.40-472,382.10-303,111.60

Finding the Fourth Proportional to 314,921.40, 472,382.10 and 303,111.60

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Solution

The fourth proportional to 314,921.40, 472,382.10 and 303,111.60 is: 454,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,921.40 : 472,382.10 = 303,111.60 : x
  2. Step 2: Convert to fraction form
    314,921.40/472,382.10 = 303,111.60/x
  3. Step 3: Cross multiply
    314,921.40x = 472,382.10 × 303,111.60
  4. Step 4: Simplify right side
    314,921.40x = 143,184,494,142.36
  5. Step 5: Solve for x
    x = 143,184,494,142.36/314,921.40
  6. Step 6: Final answer
    x = 454,667.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.