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Finding the Fourth Proportional to 270,170.64, 372,823.56 and 155,444.40

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Solution

The fourth proportional to 270,170.64, 372,823.56 and 155,444.40 is: 214,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,170.64 : 372,823.56 = 155,444.40 : x
  2. Step 2: Convert to fraction form
    270,170.64/372,823.56 = 155,444.40/x
  3. Step 3: Cross multiply
    270,170.64x = 372,823.56 × 155,444.40
  4. Step 4: Simplify right side
    270,170.64x = 57,953,334,590.06
  5. Step 5: Solve for x
    x = 57,953,334,590.06/270,170.64
  6. Step 6: Final answer
    x = 214,506.41

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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.