Home / 637,456.14-956,288.05-188,222.40

Finding the Fourth Proportional to 637,456.14, 956,288.05 and 188,222.40

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Solution

The fourth proportional to 637,456.14, 956,288.05 and 188,222.40 is: 282,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,456.14 : 956,288.05 = 188,222.40 : x
  2. Step 2: Convert to fraction form
    637,456.14/956,288.05 = 188,222.40/x
  3. Step 3: Cross multiply
    637,456.14x = 956,288.05 × 188,222.40
  4. Step 4: Simplify right side
    637,456.14x = 179,994,831,391.76
  5. Step 5: Solve for x
    x = 179,994,831,391.76/637,456.14
  6. Step 6: Final answer
    x = 282,364.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.