Home / 215,889.04-323,828.70-97,528.60

Finding the Fourth Proportional to 215,889.04, 323,828.70 and 97,528.60

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Solution

The fourth proportional to 215,889.04, 323,828.70 and 97,528.60 is: 146,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,889.04 : 323,828.70 = 97,528.60 : x
  2. Step 2: Convert to fraction form
    215,889.04/323,828.70 = 97,528.60/x
  3. Step 3: Cross multiply
    215,889.04x = 323,828.70 × 97,528.60
  4. Step 4: Simplify right side
    215,889.04x = 31,582,559,750.82
  5. Step 5: Solve for x
    x = 31,582,559,750.82/215,889.04
  6. Step 6: Final answer
    x = 146,290.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.