Home / 306,370.02-422,618.06-183,830.72

Finding the Fourth Proportional to 306,370.02, 422,618.06 and 183,830.72

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Solution

The fourth proportional to 306,370.02, 422,618.06 and 183,830.72 is: 253,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,370.02 : 422,618.06 = 183,830.72 : x
  2. Step 2: Convert to fraction form
    306,370.02/422,618.06 = 183,830.72/x
  3. Step 3: Cross multiply
    306,370.02x = 422,618.06 × 183,830.72
  4. Step 4: Simplify right side
    306,370.02x = 77,690,183,770.93
  5. Step 5: Solve for x
    x = 77,690,183,770.93/306,370.02
  6. Step 6: Final answer
    x = 253,582.85

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1.5x scale

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.