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Finding the Fourth Proportional to 305,934.60, 458,901.90 and 235,950.60

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Solution

The fourth proportional to 305,934.60, 458,901.90 and 235,950.60 is: 353,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,934.60 : 458,901.90 = 235,950.60 : x
  2. Step 2: Convert to fraction form
    305,934.60/458,901.90 = 235,950.60/x
  3. Step 3: Cross multiply
    305,934.60x = 458,901.90 × 235,950.60
  4. Step 4: Simplify right side
    305,934.60x = 108,278,178,646.14
  5. Step 5: Solve for x
    x = 108,278,178,646.14/305,934.60
  6. Step 6: Final answer
    x = 353,925.90

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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.