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Finding the Fourth Proportional to 336,514.72, 463,445.40 and 329,166.40

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Solution

The fourth proportional to 336,514.72, 463,445.40 and 329,166.40 is: 453,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,514.72 : 463,445.40 = 329,166.40 : x
  2. Step 2: Convert to fraction form
    336,514.72/463,445.40 = 329,166.40/x
  3. Step 3: Cross multiply
    336,514.72x = 463,445.40 × 329,166.40
  4. Step 4: Simplify right side
    336,514.72x = 152,550,653,914.56
  5. Step 5: Solve for x
    x = 152,550,653,914.56/336,514.72
  6. Step 6: Final answer
    x = 453,325.35

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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.