Home / 388,839.02-582,733.62-201,981.74

Finding the Fourth Proportional to 388,839.02, 582,733.62 and 201,981.74

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Solution

The fourth proportional to 388,839.02, 582,733.62 and 201,981.74 is: 302,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,839.02 : 582,733.62 = 201,981.74 : x
  2. Step 2: Convert to fraction form
    388,839.02/582,733.62 = 201,981.74/x
  3. Step 3: Cross multiply
    388,839.02x = 582,733.62 × 201,981.74
  4. Step 4: Simplify right side
    388,839.02x = 117,701,547,610.43
  5. Step 5: Solve for x
    x = 117,701,547,610.43/388,839.02
  6. Step 6: Final answer
    x = 302,699.94

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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.