Home / 489,977.02-676,150.80-275,126.14

Finding the Fourth Proportional to 489,977.02, 676,150.80 and 275,126.14

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Solution

The fourth proportional to 489,977.02, 676,150.80 and 275,126.14 is: 379,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,977.02 : 676,150.80 = 275,126.14 : x
  2. Step 2: Convert to fraction form
    489,977.02/676,150.80 = 275,126.14/x
  3. Step 3: Cross multiply
    489,977.02x = 676,150.80 × 275,126.14
  4. Step 4: Simplify right side
    489,977.02x = 186,026,759,661.91
  5. Step 5: Solve for x
    x = 186,026,759,661.91/489,977.02
  6. Step 6: Final answer
    x = 379,664.25

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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.