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Finding the Fourth Proportional to 281,525.58, 388,504.71 and 152,463.65

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Solution

The fourth proportional to 281,525.58, 388,504.71 and 152,463.65 is: 210,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,525.58 : 388,504.71 = 152,463.65 : x
  2. Step 2: Convert to fraction form
    281,525.58/388,504.71 = 152,463.65/x
  3. Step 3: Cross multiply
    281,525.58x = 388,504.71 × 152,463.65
  4. Step 4: Simplify right side
    281,525.58x = 59,232,846,128.79
  5. Step 5: Solve for x
    x = 59,232,846,128.79/281,525.58
  6. Step 6: Final answer
    x = 210,399.52

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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.