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Finding the Fourth Proportional to 235,612.76, 325,090.33 and 133,615.94

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Solution

The fourth proportional to 235,612.76, 325,090.33 and 133,615.94 is: 184,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,612.76 : 325,090.33 = 133,615.94 : x
  2. Step 2: Convert to fraction form
    235,612.76/325,090.33 = 133,615.94/x
  3. Step 3: Cross multiply
    235,612.76x = 325,090.33 × 133,615.94
  4. Step 4: Simplify right side
    235,612.76x = 43,437,248,068.37
  5. Step 5: Solve for x
    x = 43,437,248,068.37/235,612.76
  6. Step 6: Final answer
    x = 184,358.64

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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.