Home / 281,736.73-388,795.95-152,678.77

Finding the Fourth Proportional to 281,736.73, 388,795.95 and 152,678.77

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Solution

The fourth proportional to 281,736.73, 388,795.95 and 152,678.77 is: 210,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,736.73 : 388,795.95 = 152,678.77 : x
  2. Step 2: Convert to fraction form
    281,736.73/388,795.95 = 152,678.77/x
  3. Step 3: Cross multiply
    281,736.73x = 388,795.95 × 152,678.77
  4. Step 4: Simplify right side
    281,736.73x = 59,360,888,641.97
  5. Step 5: Solve for x
    x = 59,360,888,641.97/281,736.73
  6. Step 6: Final answer
    x = 210,696.31

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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.