Home / 249,215.13-371,915.55-222,621.21

Finding the Fourth Proportional to 249,215.13, 371,915.55 and 222,621.21

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Solution

The fourth proportional to 249,215.13, 371,915.55 and 222,621.21 is: 332,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,215.13 : 371,915.55 = 222,621.21 : x
  2. Step 2: Convert to fraction form
    249,215.13/371,915.55 = 222,621.21/x
  3. Step 3: Cross multiply
    249,215.13x = 371,915.55 × 222,621.21
  4. Step 4: Simplify right side
    249,215.13x = 82,796,289,758.82
  5. Step 5: Solve for x
    x = 82,796,289,758.82/249,215.13
  6. Step 6: Final answer
    x = 332,228.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.