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Finding the Fourth Proportional to 510,345.63, 765,629.07 and 155,350.37

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Solution

The fourth proportional to 510,345.63, 765,629.07 and 155,350.37 is: 233,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,345.63 : 765,629.07 = 155,350.37 : x
  2. Step 2: Convert to fraction form
    510,345.63/765,629.07 = 155,350.37/x
  3. Step 3: Cross multiply
    510,345.63x = 765,629.07 × 155,350.37
  4. Step 4: Simplify right side
    510,345.63x = 118,940,759,307.26
  5. Step 5: Solve for x
    x = 118,940,759,307.26/510,345.63
  6. Step 6: Final answer
    x = 233,059.23

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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.