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Finding the Fourth Proportional to 365,329.80, 510,355.80 and 365,329.80

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Solution

The fourth proportional to 365,329.80, 510,355.80 and 365,329.80 is: 510,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,329.80 : 510,355.80 = 365,329.80 : x
  2. Step 2: Convert to fraction form
    365,329.80/510,355.80 = 365,329.80/x
  3. Step 3: Cross multiply
    365,329.80x = 510,355.80 × 365,329.80
  4. Step 4: Simplify right side
    365,329.80x = 186,448,182,342.84
  5. Step 5: Solve for x
    x = 186,448,182,342.84/365,329.80
  6. Step 6: Final answer
    x = 510,355.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.