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Finding the Fourth Proportional to 235,944, 325,602.72 and 135,374.40

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Solution

The fourth proportional to 235,944, 325,602.72 and 135,374.40 is: 186,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,944 : 325,602.72 = 135,374.40 : x
  2. Step 2: Convert to fraction form
    235,944/325,602.72 = 135,374.40/x
  3. Step 3: Cross multiply
    235,944x = 325,602.72 × 135,374.40
  4. Step 4: Simplify right side
    235,944x = 44,078,272,858.37
  5. Step 5: Solve for x
    x = 44,078,272,858.37/235,944
  6. Step 6: Final answer
    x = 186,816.67

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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.