Home / 501,400.21-752,153.05-146,415.23

Finding the Fourth Proportional to 501,400.21, 752,153.05 and 146,415.23

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Solution

The fourth proportional to 501,400.21, 752,153.05 and 146,415.23 is: 219,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,400.21 : 752,153.05 = 146,415.23 : x
  2. Step 2: Convert to fraction form
    501,400.21/752,153.05 = 146,415.23/x
  3. Step 3: Cross multiply
    501,400.21x = 752,153.05 × 146,415.23
  4. Step 4: Simplify right side
    501,400.21x = 110,126,662,959.26
  5. Step 5: Solve for x
    x = 110,126,662,959.26/501,400.21
  6. Step 6: Final answer
    x = 219,638.25

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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.