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Finding the Fourth Proportional to 302,523.20, 453,784.80 and 202,990.40

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Solution

The fourth proportional to 302,523.20, 453,784.80 and 202,990.40 is: 304,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,523.20 : 453,784.80 = 202,990.40 : x
  2. Step 2: Convert to fraction form
    302,523.20/453,784.80 = 202,990.40/x
  3. Step 3: Cross multiply
    302,523.20x = 453,784.80 × 202,990.40
  4. Step 4: Simplify right side
    302,523.20x = 92,113,958,065.92
  5. Step 5: Solve for x
    x = 92,113,958,065.92/302,523.20
  6. Step 6: Final answer
    x = 304,485.60

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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.