Home / 228,799.36-315,636.30-143,963.20

Finding the Fourth Proportional to 228,799.36, 315,636.30 and 143,963.20

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Solution

The fourth proportional to 228,799.36, 315,636.30 and 143,963.20 is: 198,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,799.36 : 315,636.30 = 143,963.20 : x
  2. Step 2: Convert to fraction form
    228,799.36/315,636.30 = 143,963.20/x
  3. Step 3: Cross multiply
    228,799.36x = 315,636.30 × 143,963.20
  4. Step 4: Simplify right side
    228,799.36x = 45,440,011,784.16
  5. Step 5: Solve for x
    x = 45,440,011,784.16/228,799.36
  6. Step 6: Final answer
    x = 198,602.01

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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.