Home / 399,312.40-598,968.60-162,824.80

Finding the Fourth Proportional to 399,312.40, 598,968.60 and 162,824.80

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Solution

The fourth proportional to 399,312.40, 598,968.60 and 162,824.80 is: 244,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,312.40 : 598,968.60 = 162,824.80 : x
  2. Step 2: Convert to fraction form
    399,312.40/598,968.60 = 162,824.80/x
  3. Step 3: Cross multiply
    399,312.40x = 598,968.60 × 162,824.80
  4. Step 4: Simplify right side
    399,312.40x = 97,526,942,501.28
  5. Step 5: Solve for x
    x = 97,526,942,501.28/399,312.40
  6. Step 6: Final answer
    x = 244,237.20

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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.