Home / 306,559.15-423,088.46-185,696.89

Finding the Fourth Proportional to 306,559.15, 423,088.46 and 185,696.89

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Solution

The fourth proportional to 306,559.15, 423,088.46 and 185,696.89 is: 256,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,559.15 : 423,088.46 = 185,696.89 : x
  2. Step 2: Convert to fraction form
    306,559.15/423,088.46 = 185,696.89/x
  3. Step 3: Cross multiply
    306,559.15x = 423,088.46 × 185,696.89
  4. Step 4: Simplify right side
    306,559.15x = 78,566,211,216.89
  5. Step 5: Solve for x
    x = 78,566,211,216.89/306,559.15
  6. Step 6: Final answer
    x = 256,284.02

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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.