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Finding the Fourth Proportional to 346,768.60, 520,152.90 and 222,352.60

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Solution

The fourth proportional to 346,768.60, 520,152.90 and 222,352.60 is: 333,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,768.60 : 520,152.90 = 222,352.60 : x
  2. Step 2: Convert to fraction form
    346,768.60/520,152.90 = 222,352.60/x
  3. Step 3: Cross multiply
    346,768.60x = 520,152.90 × 222,352.60
  4. Step 4: Simplify right side
    346,768.60x = 115,657,349,712.54
  5. Step 5: Solve for x
    x = 115,657,349,712.54/346,768.60
  6. Step 6: Final answer
    x = 333,528.90

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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.