Home / 289,962.18-400,166.73-162,646.38

Finding the Fourth Proportional to 289,962.18, 400,166.73 and 162,646.38

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Solution

The fourth proportional to 289,962.18, 400,166.73 and 162,646.38 is: 224,462.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,962.18 : 400,166.73 = 162,646.38 : x
  2. Step 2: Convert to fraction form
    289,962.18/400,166.73 = 162,646.38/x
  3. Step 3: Cross multiply
    289,962.18x = 400,166.73 × 162,646.38
  4. Step 4: Simplify right side
    289,962.18x = 65,085,670,030.94
  5. Step 5: Solve for x
    x = 65,085,670,030.94/289,962.18
  6. Step 6: Final answer
    x = 224,462.62

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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.