Home / 348,021.90-522,032.85-308,364.30

Finding the Fourth Proportional to 348,021.90, 522,032.85 and 308,364.30

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Solution

The fourth proportional to 348,021.90, 522,032.85 and 308,364.30 is: 462,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,021.90 : 522,032.85 = 308,364.30 : x
  2. Step 2: Convert to fraction form
    348,021.90/522,032.85 = 308,364.30/x
  3. Step 3: Cross multiply
    348,021.90x = 522,032.85 × 308,364.30
  4. Step 4: Simplify right side
    348,021.90x = 160,976,294,367.26
  5. Step 5: Solve for x
    x = 160,976,294,367.26/348,021.90
  6. Step 6: Final answer
    x = 462,546.45

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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.