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Finding the Fourth Proportional to 302,555.80, 453,930.90 and 202,828.60

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Solution

The fourth proportional to 302,555.80, 453,930.90 and 202,828.60 is: 304,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,555.80 : 453,930.90 = 202,828.60 : x
  2. Step 2: Convert to fraction form
    302,555.80/453,930.90 = 202,828.60/x
  3. Step 3: Cross multiply
    302,555.80x = 453,930.90 × 202,828.60
  4. Step 4: Simplify right side
    302,555.80x = 92,070,168,943.74
  5. Step 5: Solve for x
    x = 92,070,168,943.74/302,555.80
  6. Step 6: Final answer
    x = 304,308.06

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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.