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Finding the Fourth Proportional to 210,527.76, 290,528.01 and 119,883.75

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Solution

The fourth proportional to 210,527.76, 290,528.01 and 119,883.75 is: 165,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,527.76 : 290,528.01 = 119,883.75 : x
  2. Step 2: Convert to fraction form
    210,527.76/290,528.01 = 119,883.75/x
  3. Step 3: Cross multiply
    210,527.76x = 290,528.01 × 119,883.75
  4. Step 4: Simplify right side
    210,527.76x = 34,829,587,318.84
  5. Step 5: Solve for x
    x = 34,829,587,318.84/210,527.76
  6. Step 6: Final answer
    x = 165,439.40

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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.