Home / 307,815.40-461,766.30-97,431.40

Finding the Fourth Proportional to 307,815.40, 461,766.30 and 97,431.40

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Solution

The fourth proportional to 307,815.40, 461,766.30 and 97,431.40 is: 146,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,815.40 : 461,766.30 = 97,431.40 : x
  2. Step 2: Convert to fraction form
    307,815.40/461,766.30 = 97,431.40/x
  3. Step 3: Cross multiply
    307,815.40x = 461,766.30 × 97,431.40
  4. Step 4: Simplify right side
    307,815.40x = 44,990,537,081.82
  5. Step 5: Solve for x
    x = 44,990,537,081.82/307,815.40
  6. Step 6: Final answer
    x = 146,160.77

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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.