Home / 380,015.28-569,812.56-155,533.44

Finding the Fourth Proportional to 380,015.28, 569,812.56 and 155,533.44

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Solution

The fourth proportional to 380,015.28, 569,812.56 and 155,533.44 is: 233,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,015.28 : 569,812.56 = 155,533.44 : x
  2. Step 2: Convert to fraction form
    380,015.28/569,812.56 = 155,533.44/x
  3. Step 3: Cross multiply
    380,015.28x = 569,812.56 × 155,533.44
  4. Step 4: Simplify right side
    380,015.28x = 88,624,907,612.01
  5. Step 5: Solve for x
    x = 88,624,907,612.01/380,015.28
  6. Step 6: Final answer
    x = 233,214.06

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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.