Home / 434,017.47-651,021.34-153,469.11

Finding the Fourth Proportional to 434,017.47, 651,021.34 and 153,469.11

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Solution

The fourth proportional to 434,017.47, 651,021.34 and 153,469.11 is: 230,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,017.47 : 651,021.34 = 153,469.11 : x
  2. Step 2: Convert to fraction form
    434,017.47/651,021.34 = 153,469.11/x
  3. Step 3: Cross multiply
    434,017.47x = 651,021.34 × 153,469.11
  4. Step 4: Simplify right side
    434,017.47x = 99,911,665,640.81
  5. Step 5: Solve for x
    x = 99,911,665,640.81/434,017.47
  6. Step 6: Final answer
    x = 230,201.94

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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.