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Finding the Fourth Proportional to 302,280.60, 453,420.90 and 102,826.20

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Solution

The fourth proportional to 302,280.60, 453,420.90 and 102,826.20 is: 154,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,280.60 : 453,420.90 = 102,826.20 : x
  2. Step 2: Convert to fraction form
    302,280.60/453,420.90 = 102,826.20/x
  3. Step 3: Cross multiply
    302,280.60x = 453,420.90 × 102,826.20
  4. Step 4: Simplify right side
    302,280.60x = 46,623,548,147.58
  5. Step 5: Solve for x
    x = 46,623,548,147.58/302,280.60
  6. Step 6: Final answer
    x = 154,239.30

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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.