Home / 228,492.34-315,274.62-143,560.20

Finding the Fourth Proportional to 228,492.34, 315,274.62 and 143,560.20

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Solution

The fourth proportional to 228,492.34, 315,274.62 and 143,560.20 is: 198,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,492.34 : 315,274.62 = 143,560.20 : x
  2. Step 2: Convert to fraction form
    228,492.34/315,274.62 = 143,560.20/x
  3. Step 3: Cross multiply
    228,492.34x = 315,274.62 × 143,560.20
  4. Step 4: Simplify right side
    228,492.34x = 45,260,885,925.75
  5. Step 5: Solve for x
    x = 45,260,885,925.75/228,492.34
  6. Step 6: Final answer
    x = 198,084.92

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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.