Home / 281,392.04-388,318.07-152,327.60

Finding the Fourth Proportional to 281,392.04, 388,318.07 and 152,327.60

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Solution

The fourth proportional to 281,392.04, 388,318.07 and 152,327.60 is: 210,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,392.04 : 388,318.07 = 152,327.60 : x
  2. Step 2: Convert to fraction form
    281,392.04/388,318.07 = 152,327.60/x
  3. Step 3: Cross multiply
    281,392.04x = 388,318.07 × 152,327.60
  4. Step 4: Simplify right side
    281,392.04x = 59,151,561,719.44
  5. Step 5: Solve for x
    x = 59,151,561,719.44/281,392.04
  6. Step 6: Final answer
    x = 210,210.50

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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.