Home / 648,134.43-972,084.08-174,709.07

Finding the Fourth Proportional to 648,134.43, 972,084.08 and 174,709.07

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Solution

The fourth proportional to 648,134.43, 972,084.08 and 174,709.07 is: 262,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,134.43 : 972,084.08 = 174,709.07 : x
  2. Step 2: Convert to fraction form
    648,134.43/972,084.08 = 174,709.07/x
  3. Step 3: Cross multiply
    648,134.43x = 972,084.08 × 174,709.07
  4. Step 4: Simplify right side
    648,134.43x = 169,831,899,844.64
  5. Step 5: Solve for x
    x = 169,831,899,844.64/648,134.43
  6. Step 6: Final answer
    x = 262,031.91

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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.