Home / 285,448.04-393,913.14-158,123.24

Finding the Fourth Proportional to 285,448.04, 393,913.14 and 158,123.24

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Solution

The fourth proportional to 285,448.04, 393,913.14 and 158,123.24 is: 218,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,448.04 : 393,913.14 = 158,123.24 : x
  2. Step 2: Convert to fraction form
    285,448.04/393,913.14 = 158,123.24/x
  3. Step 3: Cross multiply
    285,448.04x = 393,913.14 × 158,123.24
  4. Step 4: Simplify right side
    285,448.04x = 62,286,821,975.37
  5. Step 5: Solve for x
    x = 62,286,821,975.37/285,448.04
  6. Step 6: Final answer
    x = 218,207.22

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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.