Home / 282,292.02-389,573.01-154,977.30

Finding the Fourth Proportional to 282,292.02, 389,573.01 and 154,977.30

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Solution

The fourth proportional to 282,292.02, 389,573.01 and 154,977.30 is: 213,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,292.02 : 389,573.01 = 154,977.30 : x
  2. Step 2: Convert to fraction form
    282,292.02/389,573.01 = 154,977.30/x
  3. Step 3: Cross multiply
    282,292.02x = 389,573.01 × 154,977.30
  4. Step 4: Simplify right side
    282,292.02x = 60,374,973,242.67
  5. Step 5: Solve for x
    x = 60,374,973,242.67/282,292.02
  6. Step 6: Final answer
    x = 213,874.18

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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.