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Finding the Fourth Proportional to 510,585.58, 765,907.17 and 155,611.18

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Solution

The fourth proportional to 510,585.58, 765,907.17 and 155,611.18 is: 233,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,585.58 : 765,907.17 = 155,611.18 : x
  2. Step 2: Convert to fraction form
    510,585.58/765,907.17 = 155,611.18/x
  3. Step 3: Cross multiply
    510,585.58x = 765,907.17 × 155,611.18
  4. Step 4: Simplify right side
    510,585.58x = 119,183,713,886.57
  5. Step 5: Solve for x
    x = 119,183,713,886.57/510,585.58
  6. Step 6: Final answer
    x = 233,425.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.