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Finding the Fourth Proportional to 302,404.10, 453,606.15 and 213,830.60

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Solution

The fourth proportional to 302,404.10, 453,606.15 and 213,830.60 is: 320,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,404.10 : 453,606.15 = 213,830.60 : x
  2. Step 2: Convert to fraction form
    302,404.10/453,606.15 = 213,830.60/x
  3. Step 3: Cross multiply
    302,404.10x = 453,606.15 × 213,830.60
  4. Step 4: Simplify right side
    302,404.10x = 96,994,875,218.19
  5. Step 5: Solve for x
    x = 96,994,875,218.19/302,404.10
  6. Step 6: Final answer
    x = 320,745.90

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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.