Home / 328,205.37-492,264.30-91,528.23

Finding the Fourth Proportional to 328,205.37, 492,264.30 and 91,528.23

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Solution

The fourth proportional to 328,205.37, 492,264.30 and 91,528.23 is: 137,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,205.37 : 492,264.30 = 91,528.23 : x
  2. Step 2: Convert to fraction form
    328,205.37/492,264.30 = 91,528.23/x
  3. Step 3: Cross multiply
    328,205.37x = 492,264.30 × 91,528.23
  4. Step 4: Simplify right side
    328,205.37x = 45,056,077,609.87
  5. Step 5: Solve for x
    x = 45,056,077,609.87/328,205.37
  6. Step 6: Final answer
    x = 137,280.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.