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Finding the Fourth Proportional to 370,256.34, 510,953.70 and 200,490.48

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Solution

The fourth proportional to 370,256.34, 510,953.70 and 200,490.48 is: 276,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,256.34 : 510,953.70 = 200,490.48 : x
  2. Step 2: Convert to fraction form
    370,256.34/510,953.70 = 200,490.48/x
  3. Step 3: Cross multiply
    370,256.34x = 510,953.70 × 200,490.48
  4. Step 4: Simplify right side
    370,256.34x = 102,441,352,570.78
  5. Step 5: Solve for x
    x = 102,441,352,570.78/370,256.34
  6. Step 6: Final answer
    x = 276,676.84

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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.