Home / 253,946.90-350,449.56-145,065.65

Finding the Fourth Proportional to 253,946.90, 350,449.56 and 145,065.65

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Solution

The fourth proportional to 253,946.90, 350,449.56 and 145,065.65 is: 200,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,946.90 : 350,449.56 = 145,065.65 : x
  2. Step 2: Convert to fraction form
    253,946.90/350,449.56 = 145,065.65/x
  3. Step 3: Cross multiply
    253,946.90x = 350,449.56 × 145,065.65
  4. Step 4: Simplify right side
    253,946.90x = 50,838,191,461.37
  5. Step 5: Solve for x
    x = 50,838,191,461.37/253,946.90
  6. Step 6: Final answer
    x = 200,192.22

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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.