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Finding the Fourth Proportional to 346,250.68, 519,443.34 and 133,003

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Solution

The fourth proportional to 346,250.68, 519,443.34 and 133,003 is: 199,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,250.68 : 519,443.34 = 133,003 : x
  2. Step 2: Convert to fraction form
    346,250.68/519,443.34 = 133,003/x
  3. Step 3: Cross multiply
    346,250.68x = 519,443.34 × 133,003
  4. Step 4: Simplify right side
    346,250.68x = 69,087,522,550.02
  5. Step 5: Solve for x
    x = 69,087,522,550.02/346,250.68
  6. Step 6: Final answer
    x = 199,530.36

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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.