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Finding the Fourth Proportional to 302,602.60, 453,126.30 and 223,287.40

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Solution

The fourth proportional to 302,602.60, 453,126.30 and 223,287.40 is: 334,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,602.60 : 453,126.30 = 223,287.40 : x
  2. Step 2: Convert to fraction form
    302,602.60/453,126.30 = 223,287.40/x
  3. Step 3: Cross multiply
    302,602.60x = 453,126.30 × 223,287.40
  4. Step 4: Simplify right side
    302,602.60x = 101,177,393,398.62
  5. Step 5: Solve for x
    x = 101,177,393,398.62/302,602.60
  6. Step 6: Final answer
    x = 334,357.32

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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.