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Finding the Fourth Proportional to 336,315, 463,852.14 and 215,467.50

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Solution

The fourth proportional to 336,315, 463,852.14 and 215,467.50 is: 297,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,315 : 463,852.14 = 215,467.50 : x
  2. Step 2: Convert to fraction form
    336,315/463,852.14 = 215,467.50/x
  3. Step 3: Cross multiply
    336,315x = 463,852.14 × 215,467.50
  4. Step 4: Simplify right side
    336,315x = 99,945,060,975.45
  5. Step 5: Solve for x
    x = 99,945,060,975.45/336,315
  6. Step 6: Final answer
    x = 297,176.94

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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.