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Finding the Fourth Proportional to 302,470.60, 453,417.90 and 112,880.20

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Solution

The fourth proportional to 302,470.60, 453,417.90 and 112,880.20 is: 169,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,470.60 : 453,417.90 = 112,880.20 : x
  2. Step 2: Convert to fraction form
    302,470.60/453,417.90 = 112,880.20/x
  3. Step 3: Cross multiply
    302,470.60x = 453,417.90 × 112,880.20
  4. Step 4: Simplify right side
    302,470.60x = 51,181,903,235.58
  5. Step 5: Solve for x
    x = 51,181,903,235.58/302,470.60
  6. Step 6: Final answer
    x = 169,212.82

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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.