Home / 209,262.40-288,269.50-151,732.68

Finding the Fourth Proportional to 209,262.40, 288,269.50 and 151,732.68

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Solution

The fourth proportional to 209,262.40, 288,269.50 and 151,732.68 is: 209,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,262.40 : 288,269.50 = 151,732.68 : x
  2. Step 2: Convert to fraction form
    209,262.40/288,269.50 = 151,732.68/x
  3. Step 3: Cross multiply
    209,262.40x = 288,269.50 × 151,732.68
  4. Step 4: Simplify right side
    209,262.40x = 43,739,903,797.26
  5. Step 5: Solve for x
    x = 43,739,903,797.26/209,262.40
  6. Step 6: Final answer
    x = 209,019.41

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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.