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Finding the Fourth Proportional to 475,461.21, 656,152.33 and 260,601.82

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Solution

The fourth proportional to 475,461.21, 656,152.33 and 260,601.82 is: 359,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,461.21 : 656,152.33 = 260,601.82 : x
  2. Step 2: Convert to fraction form
    475,461.21/656,152.33 = 260,601.82/x
  3. Step 3: Cross multiply
    475,461.21x = 656,152.33 × 260,601.82
  4. Step 4: Simplify right side
    475,461.21x = 170,994,491,395.24
  5. Step 5: Solve for x
    x = 170,994,491,395.24/475,461.21
  6. Step 6: Final answer
    x = 359,639.21

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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.