Home / 309,056.24-426,492.96-173,089.64

Finding the Fourth Proportional to 309,056.24, 426,492.96 and 173,089.64

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Solution

The fourth proportional to 309,056.24, 426,492.96 and 173,089.64 is: 238,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,056.24 : 426,492.96 = 173,089.64 : x
  2. Step 2: Convert to fraction form
    309,056.24/426,492.96 = 173,089.64/x
  3. Step 3: Cross multiply
    309,056.24x = 426,492.96 × 173,089.64
  4. Step 4: Simplify right side
    309,056.24x = 73,821,512,908.93
  5. Step 5: Solve for x
    x = 73,821,512,908.93/309,056.24
  6. Step 6: Final answer
    x = 238,861.10

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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.