Home / 366,478.02-549,782.64-188,937.36

Finding the Fourth Proportional to 366,478.02, 549,782.64 and 188,937.36

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Solution

The fourth proportional to 366,478.02, 549,782.64 and 188,937.36 is: 283,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,478.02 : 549,782.64 = 188,937.36 : x
  2. Step 2: Convert to fraction form
    366,478.02/549,782.64 = 188,937.36/x
  3. Step 3: Cross multiply
    366,478.02x = 549,782.64 × 188,937.36
  4. Step 4: Simplify right side
    366,478.02x = 103,874,480,575.43
  5. Step 5: Solve for x
    x = 103,874,480,575.43/366,478.02
  6. Step 6: Final answer
    x = 283,439.87

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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.