Home / 255,476.16-352,560.51-142,298.91

Finding the Fourth Proportional to 255,476.16, 352,560.51 and 142,298.91

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Solution

The fourth proportional to 255,476.16, 352,560.51 and 142,298.91 is: 196,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,476.16 : 352,560.51 = 142,298.91 : x
  2. Step 2: Convert to fraction form
    255,476.16/352,560.51 = 142,298.91/x
  3. Step 3: Cross multiply
    255,476.16x = 352,560.51 × 142,298.91
  4. Step 4: Simplify right side
    255,476.16x = 50,168,976,282.04
  5. Step 5: Solve for x
    x = 50,168,976,282.04/255,476.16
  6. Step 6: Final answer
    x = 196,374.39

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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.