Home / 348,017.60-522,026.40-305,163.20

Finding the Fourth Proportional to 348,017.60, 522,026.40 and 305,163.20

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Solution

The fourth proportional to 348,017.60, 522,026.40 and 305,163.20 is: 457,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,017.60 : 522,026.40 = 305,163.20 : x
  2. Step 2: Convert to fraction form
    348,017.60/522,026.40 = 305,163.20/x
  3. Step 3: Cross multiply
    348,017.60x = 522,026.40 × 305,163.20
  4. Step 4: Simplify right side
    348,017.60x = 159,303,246,708.48
  5. Step 5: Solve for x
    x = 159,303,246,708.48/348,017.60
  6. Step 6: Final answer
    x = 457,744.80

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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.