Home / 302,210.10-453,315.15-213,636.60

Finding the Fourth Proportional to 302,210.10, 453,315.15 and 213,636.60

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Solution

The fourth proportional to 302,210.10, 453,315.15 and 213,636.60 is: 320,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,210.10 : 453,315.15 = 213,636.60 : x
  2. Step 2: Convert to fraction form
    302,210.10/453,315.15 = 213,636.60/x
  3. Step 3: Cross multiply
    302,210.10x = 453,315.15 × 213,636.60
  4. Step 4: Simplify right side
    302,210.10x = 96,844,707,374.49
  5. Step 5: Solve for x
    x = 96,844,707,374.49/302,210.10
  6. Step 6: Final answer
    x = 320,454.90

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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.