Home / 469,923.53-648,495.72-255,063.60

Finding the Fourth Proportional to 469,923.53, 648,495.72 and 255,063.60

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Solution

The fourth proportional to 469,923.53, 648,495.72 and 255,063.60 is: 351,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,923.53 : 648,495.72 = 255,063.60 : x
  2. Step 2: Convert to fraction form
    469,923.53/648,495.72 = 255,063.60/x
  3. Step 3: Cross multiply
    469,923.53x = 648,495.72 × 255,063.60
  4. Step 4: Simplify right side
    469,923.53x = 165,407,652,927.79
  5. Step 5: Solve for x
    x = 165,407,652,927.79/469,923.53
  6. Step 6: Final answer
    x = 351,988.45

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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.