Home / 235,136.18-324,300.30-154,646.39

Finding the Fourth Proportional to 235,136.18, 324,300.30 and 154,646.39

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Solution

The fourth proportional to 235,136.18, 324,300.30 and 154,646.39 is: 213,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,136.18 : 324,300.30 = 154,646.39 : x
  2. Step 2: Convert to fraction form
    235,136.18/324,300.30 = 154,646.39/x
  3. Step 3: Cross multiply
    235,136.18x = 324,300.30 × 154,646.39
  4. Step 4: Simplify right side
    235,136.18x = 50,151,870,670.92
  5. Step 5: Solve for x
    x = 50,151,870,670.92/235,136.18
  6. Step 6: Final answer
    x = 213,288.62

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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.