Home / 358,339.02-494,528.28-205,402.68

Finding the Fourth Proportional to 358,339.02, 494,528.28 and 205,402.68

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Solution

The fourth proportional to 358,339.02, 494,528.28 and 205,402.68 is: 283,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,339.02 : 494,528.28 = 205,402.68 : x
  2. Step 2: Convert to fraction form
    358,339.02/494,528.28 = 205,402.68/x
  3. Step 3: Cross multiply
    358,339.02x = 494,528.28 × 205,402.68
  4. Step 4: Simplify right side
    358,339.02x = 101,577,434,047.79
  5. Step 5: Solve for x
    x = 101,577,434,047.79/358,339.02
  6. Step 6: Final answer
    x = 283,467.41

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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.