Home / 318,007.50-477,012.06-96,391.50

Finding the Fourth Proportional to 318,007.50, 477,012.06 and 96,391.50

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Solution

The fourth proportional to 318,007.50, 477,012.06 and 96,391.50 is: 144,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,007.50 : 477,012.06 = 96,391.50 : x
  2. Step 2: Convert to fraction form
    318,007.50/477,012.06 = 96,391.50/x
  3. Step 3: Cross multiply
    318,007.50x = 477,012.06 × 96,391.50
  4. Step 4: Simplify right side
    318,007.50x = 45,979,907,981.49
  5. Step 5: Solve for x
    x = 45,979,907,981.49/318,007.50
  6. Step 6: Final answer
    x = 144,587.50

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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.