Home / 353,624.31-488,012.49-192,490.20

Finding the Fourth Proportional to 353,624.31, 488,012.49 and 192,490.20

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Solution

The fourth proportional to 353,624.31, 488,012.49 and 192,490.20 is: 265,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,624.31 : 488,012.49 = 192,490.20 : x
  2. Step 2: Convert to fraction form
    353,624.31/488,012.49 = 192,490.20/x
  3. Step 3: Cross multiply
    353,624.31x = 488,012.49 × 192,490.20
  4. Step 4: Simplify right side
    353,624.31x = 93,937,621,802.60
  5. Step 5: Solve for x
    x = 93,937,621,802.60/353,624.31
  6. Step 6: Final answer
    x = 265,642.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.