Home / 307,511.40-461,331.90-97,170.60

Finding the Fourth Proportional to 307,511.40, 461,331.90 and 97,170.60

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Solution

The fourth proportional to 307,511.40, 461,331.90 and 97,170.60 is: 145,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,511.40 : 461,331.90 = 97,170.60 : x
  2. Step 2: Convert to fraction form
    307,511.40/461,331.90 = 97,170.60/x
  3. Step 3: Cross multiply
    307,511.40x = 461,331.90 × 97,170.60
  4. Step 4: Simplify right side
    307,511.40x = 44,827,897,522.14
  5. Step 5: Solve for x
    x = 44,827,897,522.14/307,511.40
  6. Step 6: Final answer
    x = 145,776.38

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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.