Home / 282,981.58-390,570.03-162,203.74

Finding the Fourth Proportional to 282,981.58, 390,570.03 and 162,203.74

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Solution

The fourth proportional to 282,981.58, 390,570.03 and 162,203.74 is: 223,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,981.58 : 390,570.03 = 162,203.74 : x
  2. Step 2: Convert to fraction form
    282,981.58/390,570.03 = 162,203.74/x
  3. Step 3: Cross multiply
    282,981.58x = 390,570.03 × 162,203.74
  4. Step 4: Simplify right side
    282,981.58x = 63,351,918,621.49
  5. Step 5: Solve for x
    x = 63,351,918,621.49/282,981.58
  6. Step 6: Final answer
    x = 223,872.94

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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.