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Finding the Fourth Proportional to 336,507.68, 463,435.74 and 329,159.36

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Solution

The fourth proportional to 336,507.68, 463,435.74 and 329,159.36 is: 453,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,507.68 : 463,435.74 = 329,159.36 : x
  2. Step 2: Convert to fraction form
    336,507.68/463,435.74 = 329,159.36/x
  3. Step 3: Cross multiply
    336,507.68x = 463,435.74 × 329,159.36
  4. Step 4: Simplify right side
    336,507.68x = 152,544,211,579.53
  5. Step 5: Solve for x
    x = 152,544,211,579.53/336,507.68
  6. Step 6: Final answer
    x = 453,315.69

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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.