Home / 380,637.38-570,923.66-155,933.66

Finding the Fourth Proportional to 380,637.38, 570,923.66 and 155,933.66

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Solution

The fourth proportional to 380,637.38, 570,923.66 and 155,933.66 is: 233,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,637.38 : 570,923.66 = 155,933.66 : x
  2. Step 2: Convert to fraction form
    380,637.38/570,923.66 = 155,933.66/x
  3. Step 3: Cross multiply
    380,637.38x = 570,923.66 × 155,933.66
  4. Step 4: Simplify right side
    380,637.38x = 89,026,215,884.40
  5. Step 5: Solve for x
    x = 89,026,215,884.40/380,637.38
  6. Step 6: Final answer
    x = 233,887.21

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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.