Home / 434,448.86-651,764.01-134,921.66

Finding the Fourth Proportional to 434,448.86, 651,764.01 and 134,921.66

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Solution

The fourth proportional to 434,448.86, 651,764.01 and 134,921.66 is: 202,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,448.86 : 651,764.01 = 134,921.66 : x
  2. Step 2: Convert to fraction form
    434,448.86/651,764.01 = 134,921.66/x
  3. Step 3: Cross multiply
    434,448.86x = 651,764.01 × 134,921.66
  4. Step 4: Simplify right side
    434,448.86x = 87,937,082,157.46
  5. Step 5: Solve for x
    x = 87,937,082,157.46/434,448.86
  6. Step 6: Final answer
    x = 202,410.66

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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.