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Finding the Fourth Proportional to 510,359.58, 765,650.07 and 155,364.42

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Solution

The fourth proportional to 510,359.58, 765,650.07 and 155,364.42 is: 233,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,359.58 : 765,650.07 = 155,364.42 : x
  2. Step 2: Convert to fraction form
    510,359.58/765,650.07 = 155,364.42/x
  3. Step 3: Cross multiply
    510,359.58x = 765,650.07 × 155,364.42
  4. Step 4: Simplify right side
    510,359.58x = 118,954,779,048.51
  5. Step 5: Solve for x
    x = 118,954,779,048.51/510,359.58
  6. Step 6: Final answer
    x = 233,080.33

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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.