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Finding the Fourth Proportional to 350,879.63, 484,177.55 and 259,047.81

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Solution

The fourth proportional to 350,879.63, 484,177.55 and 259,047.81 is: 357,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,879.63 : 484,177.55 = 259,047.81 : x
  2. Step 2: Convert to fraction form
    350,879.63/484,177.55 = 259,047.81/x
  3. Step 3: Cross multiply
    350,879.63x = 484,177.55 × 259,047.81
  4. Step 4: Simplify right side
    350,879.63x = 125,425,132,683.43
  5. Step 5: Solve for x
    x = 125,425,132,683.43/350,879.63
  6. Step 6: Final answer
    x = 357,459.15

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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.