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Finding the Fourth Proportional to 250,020.98, 344,943.16 and 142,513.46

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Solution

The fourth proportional to 250,020.98, 344,943.16 and 142,513.46 is: 196,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,020.98 : 344,943.16 = 142,513.46 : x
  2. Step 2: Convert to fraction form
    250,020.98/344,943.16 = 142,513.46/x
  3. Step 3: Cross multiply
    250,020.98x = 344,943.16 × 142,513.46
  4. Step 4: Simplify right side
    250,020.98x = 49,159,041,153.93
  5. Step 5: Solve for x
    x = 49,159,041,153.93/250,020.98
  6. Step 6: Final answer
    x = 196,619.67

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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.