Home / 268,723.04-370,853.51-154,037.21

Finding the Fourth Proportional to 268,723.04, 370,853.51 and 154,037.21

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Solution

The fourth proportional to 268,723.04, 370,853.51 and 154,037.21 is: 212,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,723.04 : 370,853.51 = 154,037.21 : x
  2. Step 2: Convert to fraction form
    268,723.04/370,853.51 = 154,037.21/x
  3. Step 3: Cross multiply
    268,723.04x = 370,853.51 × 154,037.21
  4. Step 4: Simplify right side
    268,723.04x = 57,125,237,374.65
  5. Step 5: Solve for x
    x = 57,125,237,374.65/268,723.04
  6. Step 6: Final answer
    x = 212,580.35

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1.5x scale

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.