Home / 692,249.80-1,038,297.90-193,664.20

Finding the Fourth Proportional to 692,249.80, 1,038,297.90 and 193,664.20

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Solution

The fourth proportional to 692,249.80, 1,038,297.90 and 193,664.20 is: 290,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,249.80 : 1,038,297.90 = 193,664.20 : x
  2. Step 2: Convert to fraction form
    692,249.80/1,038,297.90 = 193,664.20/x
  3. Step 3: Cross multiply
    692,249.80x = 1,038,297.90 × 193,664.20
  4. Step 4: Simplify right side
    692,249.80x = 201,081,132,165.18
  5. Step 5: Solve for x
    x = 201,081,132,165.18/692,249.80
  6. Step 6: Final answer
    x = 290,474.81

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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.