Home / 399,156.16-598,829.93-132,918.98

Finding the Fourth Proportional to 399,156.16, 598,829.93 and 132,918.98

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Solution

The fourth proportional to 399,156.16, 598,829.93 and 132,918.98 is: 199,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,156.16 : 598,829.93 = 132,918.98 : x
  2. Step 2: Convert to fraction form
    399,156.16/598,829.93 = 132,918.98/x
  3. Step 3: Cross multiply
    399,156.16x = 598,829.93 × 132,918.98
  4. Step 4: Simplify right side
    399,156.16x = 79,595,865,070.09
  5. Step 5: Solve for x
    x = 79,595,865,070.09/399,156.16
  6. Step 6: Final answer
    x = 199,410.34

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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.