Home / 256,027.04-353,380.56-155,509.28

Finding the Fourth Proportional to 256,027.04, 353,380.56 and 155,509.28

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Solution

The fourth proportional to 256,027.04, 353,380.56 and 155,509.28 is: 214,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,027.04 : 353,380.56 = 155,509.28 : x
  2. Step 2: Convert to fraction form
    256,027.04/353,380.56 = 155,509.28/x
  3. Step 3: Cross multiply
    256,027.04x = 353,380.56 × 155,509.28
  4. Step 4: Simplify right side
    256,027.04x = 54,953,956,451.60
  5. Step 5: Solve for x
    x = 54,953,956,451.60/256,027.04
  6. Step 6: Final answer
    x = 214,641.22

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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.