Home / 289,917.40-400,088.91-162,590.26

Finding the Fourth Proportional to 289,917.40, 400,088.91 and 162,590.26

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Solution

The fourth proportional to 289,917.40, 400,088.91 and 162,590.26 is: 224,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,917.40 : 400,088.91 = 162,590.26 : x
  2. Step 2: Convert to fraction form
    289,917.40/400,088.91 = 162,590.26/x
  3. Step 3: Cross multiply
    289,917.40x = 400,088.91 × 162,590.26
  4. Step 4: Simplify right side
    289,917.40x = 65,050,559,900.02
  5. Step 5: Solve for x
    x = 65,050,559,900.02/289,917.40
  6. Step 6: Final answer
    x = 224,376.18

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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.