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Finding the Fourth Proportional to 333,429.70, 460,129.88 and 180,464.80

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Solution

The fourth proportional to 333,429.70, 460,129.88 and 180,464.80 is: 249,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,429.70 : 460,129.88 = 180,464.80 : x
  2. Step 2: Convert to fraction form
    333,429.70/460,129.88 = 180,464.80/x
  3. Step 3: Cross multiply
    333,429.70x = 460,129.88 × 180,464.80
  4. Step 4: Simplify right side
    333,429.70x = 83,037,246,768.22
  5. Step 5: Solve for x
    x = 83,037,246,768.22/333,429.70
  6. Step 6: Final answer
    x = 249,039.74

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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.