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Finding the Fourth Proportional to 451,646.02, 623,270.52 and 260,659.42

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Solution

The fourth proportional to 451,646.02, 623,270.52 and 260,659.42 is: 359,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,646.02 : 623,270.52 = 260,659.42 : x
  2. Step 2: Convert to fraction form
    451,646.02/623,270.52 = 260,659.42/x
  3. Step 3: Cross multiply
    451,646.02x = 623,270.52 × 260,659.42
  4. Step 4: Simplify right side
    451,646.02x = 162,461,332,246.30
  5. Step 5: Solve for x
    x = 162,461,332,246.30/451,646.02
  6. Step 6: Final answer
    x = 359,709.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.