Home / 288,904.72-433,411.32-131,144.26

Finding the Fourth Proportional to 288,904.72, 433,411.32 and 131,144.26

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Solution

The fourth proportional to 288,904.72, 433,411.32 and 131,144.26 is: 196,741.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,904.72 : 433,411.32 = 131,144.26 : x
  2. Step 2: Convert to fraction form
    288,904.72/433,411.32 = 131,144.26/x
  3. Step 3: Cross multiply
    288,904.72x = 433,411.32 × 131,144.26
  4. Step 4: Simplify right side
    288,904.72x = 56,839,406,837.02
  5. Step 5: Solve for x
    x = 56,839,406,837.02/288,904.72
  6. Step 6: Final answer
    x = 196,741.01

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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.