Finding the Fourth Proportional to 175,698.83, 263,656.62 and 69,064.05
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Solution
The fourth proportional to 175,698.83, 263,656.62 and 69,064.05 is: 103,638.68
Step by Step Solution
- Step 1: Write the proportion equation
175,698.83 : 263,656.62 = 69,064.05 : x - Step 2: Convert to fraction form
175,698.83/263,656.62 = 69,064.05/x - Step 3: Cross multiply
175,698.83x = 263,656.62 × 69,064.05 - Step 4: Simplify right side
175,698.83x = 18,209,194,975.22 - Step 5: Solve for x
x = 18,209,194,975.22/175,698.83 - Step 6: Final answer
x = 103,638.68
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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.