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Finding the Fourth Proportional to 314,873.80, 472,310.70 and 202,899.40

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Solution

The fourth proportional to 314,873.80, 472,310.70 and 202,899.40 is: 304,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,873.80 : 472,310.70 = 202,899.40 : x
  2. Step 2: Convert to fraction form
    314,873.80/472,310.70 = 202,899.40/x
  3. Step 3: Cross multiply
    314,873.80x = 472,310.70 × 202,899.40
  4. Step 4: Simplify right side
    314,873.80x = 95,831,557,643.58
  5. Step 5: Solve for x
    x = 95,831,557,643.58/314,873.80
  6. Step 6: Final answer
    x = 304,349.10

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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.