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Finding the Fourth Proportional to 258,445.02, 356,601.84 and 150,994.30

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Solution

The fourth proportional to 258,445.02, 356,601.84 and 150,994.30 is: 208,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,445.02 : 356,601.84 = 150,994.30 : x
  2. Step 2: Convert to fraction form
    258,445.02/356,601.84 = 150,994.30/x
  3. Step 3: Cross multiply
    258,445.02x = 356,601.84 × 150,994.30
  4. Step 4: Simplify right side
    258,445.02x = 53,844,845,209.51
  5. Step 5: Solve for x
    x = 53,844,845,209.51/258,445.02
  6. Step 6: Final answer
    x = 208,341.59

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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.