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Finding the Fourth Proportional to 289,910.34, 400,075.29 and 162,585.54

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Solution

The fourth proportional to 289,910.34, 400,075.29 and 162,585.54 is: 224,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,910.34 : 400,075.29 = 162,585.54 : x
  2. Step 2: Convert to fraction form
    289,910.34/400,075.29 = 162,585.54/x
  3. Step 3: Cross multiply
    289,910.34x = 400,075.29 × 162,585.54
  4. Step 4: Simplify right side
    289,910.34x = 65,046,457,065.31
  5. Step 5: Solve for x
    x = 65,046,457,065.31/289,910.34
  6. Step 6: Final answer
    x = 224,367.50

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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.