Home / 648,242.22-972,355.51-168,427.56

Finding the Fourth Proportional to 648,242.22, 972,355.51 and 168,427.56

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Solution

The fourth proportional to 648,242.22, 972,355.51 and 168,427.56 is: 252,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,242.22 : 972,355.51 = 168,427.56 : x
  2. Step 2: Convert to fraction form
    648,242.22/972,355.51 = 168,427.56/x
  3. Step 3: Cross multiply
    648,242.22x = 972,355.51 × 168,427.56
  4. Step 4: Simplify right side
    648,242.22x = 163,771,466,001.86
  5. Step 5: Solve for x
    x = 163,771,466,001.86/648,242.22
  6. Step 6: Final answer
    x = 252,639.31

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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.