Home / 358,933.02-495,327.60-208,117.50

Finding the Fourth Proportional to 358,933.02, 495,327.60 and 208,117.50

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Solution

The fourth proportional to 358,933.02, 495,327.60 and 208,117.50 is: 287,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,933.02 : 495,327.60 = 208,117.50 : x
  2. Step 2: Convert to fraction form
    358,933.02/495,327.60 = 208,117.50/x
  3. Step 3: Cross multiply
    358,933.02x = 495,327.60 × 208,117.50
  4. Step 4: Simplify right side
    358,933.02x = 103,086,341,793
  5. Step 5: Solve for x
    x = 103,086,341,793/358,933.02
  6. Step 6: Final answer
    x = 287,202.17

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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.