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Finding the Fourth Proportional to 333,907.20, 460,951.52 and 190,639.58

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Solution

The fourth proportional to 333,907.20, 460,951.52 and 190,639.58 is: 263,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,907.20 : 460,951.52 = 190,639.58 : x
  2. Step 2: Convert to fraction form
    333,907.20/460,951.52 = 190,639.58/x
  3. Step 3: Cross multiply
    333,907.20x = 460,951.52 × 190,639.58
  4. Step 4: Simplify right side
    333,907.20x = 87,875,600,915.21
  5. Step 5: Solve for x
    x = 87,875,600,915.21/333,907.20
  6. Step 6: Final answer
    x = 263,173.72

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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.