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Finding the Fourth Proportional to 350,670.42, 483,925.28 and 189,525.47

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Solution

The fourth proportional to 350,670.42, 483,925.28 and 189,525.47 is: 261,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,670.42 : 483,925.28 = 189,525.47 : x
  2. Step 2: Convert to fraction form
    350,670.42/483,925.28 = 189,525.47/x
  3. Step 3: Cross multiply
    350,670.42x = 483,925.28 × 189,525.47
  4. Step 4: Simplify right side
    350,670.42x = 91,716,162,769.63
  5. Step 5: Solve for x
    x = 91,716,162,769.63/350,670.42
  6. Step 6: Final answer
    x = 261,545.19

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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.