Home / 351,156.36-484,602-198,225.12

Finding the Fourth Proportional to 351,156.36, 484,602 and 198,225.12

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Solution

The fourth proportional to 351,156.36, 484,602 and 198,225.12 is: 273,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,156.36 : 484,602 = 198,225.12 : x
  2. Step 2: Convert to fraction form
    351,156.36/484,602 = 198,225.12/x
  3. Step 3: Cross multiply
    351,156.36x = 484,602 × 198,225.12
  4. Step 4: Simplify right side
    351,156.36x = 96,060,289,602.24
  5. Step 5: Solve for x
    x = 96,060,289,602.24/351,156.36
  6. Step 6: Final answer
    x = 273,554.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.