Home / 315,291.04-435,066-181,198.24

Finding the Fourth Proportional to 315,291.04, 435,066 and 181,198.24

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Solution

The fourth proportional to 315,291.04, 435,066 and 181,198.24 is: 250,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,291.04 : 435,066 = 181,198.24 : x
  2. Step 2: Convert to fraction form
    315,291.04/435,066 = 181,198.24/x
  3. Step 3: Cross multiply
    315,291.04x = 435,066 × 181,198.24
  4. Step 4: Simplify right side
    315,291.04x = 78,833,193,483.84
  5. Step 5: Solve for x
    x = 78,833,193,483.84/315,291.04
  6. Step 6: Final answer
    x = 250,033.09

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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.