Home / 282,254.49-389,503.22-154,929.96

Finding the Fourth Proportional to 282,254.49, 389,503.22 and 154,929.96

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Solution

The fourth proportional to 282,254.49, 389,503.22 and 154,929.96 is: 213,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,254.49 : 389,503.22 = 154,929.96 : x
  2. Step 2: Convert to fraction form
    282,254.49/389,503.22 = 154,929.96/x
  3. Step 3: Cross multiply
    282,254.49x = 389,503.22 × 154,929.96
  4. Step 4: Simplify right side
    282,254.49x = 60,345,717,519.82
  5. Step 5: Solve for x
    x = 60,345,717,519.82/282,254.49
  6. Step 6: Final answer
    x = 213,798.96

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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.