Home / 388,214.81-582,124.03-177,672.23

Finding the Fourth Proportional to 388,214.81, 582,124.03 and 177,672.23

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Solution

The fourth proportional to 388,214.81, 582,124.03 and 177,672.23 is: 266,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,214.81 : 582,124.03 = 177,672.23 : x
  2. Step 2: Convert to fraction form
    388,214.81/582,124.03 = 177,672.23/x
  3. Step 3: Cross multiply
    388,214.81x = 582,124.03 × 177,672.23
  4. Step 4: Simplify right side
    388,214.81x = 103,427,271,191.89
  5. Step 5: Solve for x
    x = 103,427,271,191.89/388,214.81
  6. Step 6: Final answer
    x = 266,417.64

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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.