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Finding the Fourth Proportional to 348,086.16, 522,129.64 and 95,368.84

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Solution

The fourth proportional to 348,086.16, 522,129.64 and 95,368.84 is: 143,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,086.16 : 522,129.64 = 95,368.84 : x
  2. Step 2: Convert to fraction form
    348,086.16/522,129.64 = 95,368.84/x
  3. Step 3: Cross multiply
    348,086.16x = 522,129.64 × 95,368.84
  4. Step 4: Simplify right side
    348,086.16x = 49,794,898,096.42
  5. Step 5: Solve for x
    x = 49,794,898,096.42/348,086.16
  6. Step 6: Final answer
    x = 143,053.37

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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.