Home / 281,403.82-388,335.48-152,341.35

Finding the Fourth Proportional to 281,403.82, 388,335.48 and 152,341.35

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Solution

The fourth proportional to 281,403.82, 388,335.48 and 152,341.35 is: 210,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,403.82 : 388,335.48 = 152,341.35 : x
  2. Step 2: Convert to fraction form
    281,403.82/388,335.48 = 152,341.35/x
  3. Step 3: Cross multiply
    281,403.82x = 388,335.48 × 152,341.35
  4. Step 4: Simplify right side
    281,403.82x = 59,159,550,105.48
  5. Step 5: Solve for x
    x = 59,159,550,105.48/281,403.82
  6. Step 6: Final answer
    x = 210,230.09

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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.