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Finding the Fourth Proportional to 346,318.48, 519,497.48 and 97,019.92

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Solution

The fourth proportional to 346,318.48, 519,497.48 and 97,019.92 is: 145,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,318.48 : 519,497.48 = 97,019.92 : x
  2. Step 2: Convert to fraction form
    346,318.48/519,497.48 = 97,019.92/x
  3. Step 3: Cross multiply
    346,318.48x = 519,497.48 × 97,019.92
  4. Step 4: Simplify right side
    346,318.48x = 50,401,603,949.80
  5. Step 5: Solve for x
    x = 50,401,603,949.80/346,318.48
  6. Step 6: Final answer
    x = 145,535.42

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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.