Home / 348,463.02-481,015.73-247,018.72

Finding the Fourth Proportional to 348,463.02, 481,015.73 and 247,018.72

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Solution

The fourth proportional to 348,463.02, 481,015.73 and 247,018.72 is: 340,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,463.02 : 481,015.73 = 247,018.72 : x
  2. Step 2: Convert to fraction form
    348,463.02/481,015.73 = 247,018.72/x
  3. Step 3: Cross multiply
    348,463.02x = 481,015.73 × 247,018.72
  4. Step 4: Simplify right side
    348,463.02x = 118,819,889,924.47
  5. Step 5: Solve for x
    x = 118,819,889,924.47/348,463.02
  6. Step 6: Final answer
    x = 340,982.78

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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.