Home / 423,273.60-634,410-186,120.24

Finding the Fourth Proportional to 423,273.60, 634,410 and 186,120.24

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Solution

The fourth proportional to 423,273.60, 634,410 and 186,120.24 is: 278,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,273.60 : 634,410 = 186,120.24 : x
  2. Step 2: Convert to fraction form
    423,273.60/634,410 = 186,120.24/x
  3. Step 3: Cross multiply
    423,273.60x = 634,410 × 186,120.24
  4. Step 4: Simplify right side
    423,273.60x = 118,076,541,458.40
  5. Step 5: Solve for x
    x = 118,076,541,458.40/423,273.60
  6. Step 6: Final answer
    x = 278,960.33

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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.