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Finding the Fourth Proportional to 450,085.60, 621,176.88 and 259,107.04

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Solution

The fourth proportional to 450,085.60, 621,176.88 and 259,107.04 is: 357,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,085.60 : 621,176.88 = 259,107.04 : x
  2. Step 2: Convert to fraction form
    450,085.60/621,176.88 = 259,107.04/x
  3. Step 3: Cross multiply
    450,085.60x = 621,176.88 × 259,107.04
  4. Step 4: Simplify right side
    450,085.60x = 160,951,302,693.24
  5. Step 5: Solve for x
    x = 160,951,302,693.24/450,085.60
  6. Step 6: Final answer
    x = 357,601.54

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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.