Home / 224,428.83-309,431.66-143,723.67

Finding the Fourth Proportional to 224,428.83, 309,431.66 and 143,723.67

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Solution

The fourth proportional to 224,428.83, 309,431.66 and 143,723.67 is: 198,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,428.83 : 309,431.66 = 143,723.67 : x
  2. Step 2: Convert to fraction form
    224,428.83/309,431.66 = 143,723.67/x
  3. Step 3: Cross multiply
    224,428.83x = 309,431.66 × 143,723.67
  4. Step 4: Simplify right side
    224,428.83x = 44,472,653,070.77
  5. Step 5: Solve for x
    x = 44,472,653,070.77/224,428.83
  6. Step 6: Final answer
    x = 198,159.27

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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.