Home / 302,070.80-453,106.20-272,003.60

Finding the Fourth Proportional to 302,070.80, 453,106.20 and 272,003.60

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Solution

The fourth proportional to 302,070.80, 453,106.20 and 272,003.60 is: 408,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,070.80 : 453,106.20 = 272,003.60 : x
  2. Step 2: Convert to fraction form
    302,070.80/453,106.20 = 272,003.60/x
  3. Step 3: Cross multiply
    302,070.80x = 453,106.20 × 272,003.60
  4. Step 4: Simplify right side
    302,070.80x = 123,246,517,582.32
  5. Step 5: Solve for x
    x = 123,246,517,582.32/302,070.80
  6. Step 6: Final answer
    x = 408,005.40

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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.