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Finding the Fourth Proportional to 270,053.37, 372,662.30 and 155,323.35

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Solution

The fourth proportional to 270,053.37, 372,662.30 and 155,323.35 is: 214,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,053.37 : 372,662.30 = 155,323.35 : x
  2. Step 2: Convert to fraction form
    270,053.37/372,662.30 = 155,323.35/x
  3. Step 3: Cross multiply
    270,053.37x = 372,662.30 × 155,323.35
  4. Step 4: Simplify right side
    270,053.37x = 57,883,157,243.01
  5. Step 5: Solve for x
    x = 57,883,157,243.01/270,053.37
  6. Step 6: Final answer
    x = 214,339.70

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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.