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Finding the Fourth Proportional to 302,070.96, 453,303.54 and 112,682.84

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Solution

The fourth proportional to 302,070.96, 453,303.54 and 112,682.84 is: 169,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,070.96 : 453,303.54 = 112,682.84 : x
  2. Step 2: Convert to fraction form
    302,070.96/453,303.54 = 112,682.84/x
  3. Step 3: Cross multiply
    302,070.96x = 453,303.54 × 112,682.84
  4. Step 4: Simplify right side
    302,070.96x = 51,079,528,002.74
  5. Step 5: Solve for x
    x = 51,079,528,002.74/302,070.96
  6. Step 6: Final answer
    x = 169,097.78

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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.