Home / 547,968.90-821,810.29-163,627.35

Finding the Fourth Proportional to 547,968.90, 821,810.29 and 163,627.35

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Solution

The fourth proportional to 547,968.90, 821,810.29 and 163,627.35 is: 245,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,968.90 : 821,810.29 = 163,627.35 : x
  2. Step 2: Convert to fraction form
    547,968.90/821,810.29 = 163,627.35/x
  3. Step 3: Cross multiply
    547,968.90x = 821,810.29 × 163,627.35
  4. Step 4: Simplify right side
    547,968.90x = 134,470,639,955.43
  5. Step 5: Solve for x
    x = 134,470,639,955.43/547,968.90
  6. Step 6: Final answer
    x = 245,398.31

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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.