Home / 281,455.93-388,406.27-152,392.19

Finding the Fourth Proportional to 281,455.93, 388,406.27 and 152,392.19

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Solution

The fourth proportional to 281,455.93, 388,406.27 and 152,392.19 is: 210,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,455.93 : 388,406.27 = 152,392.19 : x
  2. Step 2: Convert to fraction form
    281,455.93/388,406.27 = 152,392.19/x
  3. Step 3: Cross multiply
    281,455.93x = 388,406.27 × 152,392.19
  4. Step 4: Simplify right side
    281,455.93x = 59,190,080,533.98
  5. Step 5: Solve for x
    x = 59,190,080,533.98/281,455.93
  6. Step 6: Final answer
    x = 210,299.64

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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.