Home / 489,529.86-734,161.08-134,459.46

Finding the Fourth Proportional to 489,529.86, 734,161.08 and 134,459.46

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Solution

The fourth proportional to 489,529.86, 734,161.08 and 134,459.46 is: 201,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,529.86 : 734,161.08 = 134,459.46 : x
  2. Step 2: Convert to fraction form
    489,529.86/734,161.08 = 134,459.46/x
  3. Step 3: Cross multiply
    489,529.86x = 734,161.08 × 134,459.46
  4. Step 4: Simplify right side
    489,529.86x = 98,714,902,369.82
  5. Step 5: Solve for x
    x = 98,714,902,369.82/489,529.86
  6. Step 6: Final answer
    x = 201,652.46

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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.