Home / 486,844.45-671,810.15-269,050.51

Finding the Fourth Proportional to 486,844.45, 671,810.15 and 269,050.51

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Solution

The fourth proportional to 486,844.45, 671,810.15 and 269,050.51 is: 371,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,844.45 : 671,810.15 = 269,050.51 : x
  2. Step 2: Convert to fraction form
    486,844.45/671,810.15 = 269,050.51/x
  3. Step 3: Cross multiply
    486,844.45x = 671,810.15 × 269,050.51
  4. Step 4: Simplify right side
    486,844.45x = 180,750,866,410.17
  5. Step 5: Solve for x
    x = 180,750,866,410.17/486,844.45
  6. Step 6: Final answer
    x = 371,270.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.