Home / 357,736.26-493,182.64-285,384.62

Finding the Fourth Proportional to 357,736.26, 493,182.64 and 285,384.62

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Solution

The fourth proportional to 357,736.26, 493,182.64 and 285,384.62 is: 393,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,736.26 : 493,182.64 = 285,384.62 : x
  2. Step 2: Convert to fraction form
    357,736.26/493,182.64 = 285,384.62/x
  3. Step 3: Cross multiply
    357,736.26x = 493,182.64 × 285,384.62
  4. Step 4: Simplify right side
    357,736.26x = 140,746,740,307.00
  5. Step 5: Solve for x
    x = 140,746,740,307.00/357,736.26
  6. Step 6: Final answer
    x = 393,437.17

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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.