Finding the Fourth Proportional to 175,703.78, 242,372.22 and 111,152.99
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Solution
The fourth proportional to 175,703.78, 242,372.22 and 111,152.99 is: 153,328.50
Step by Step Solution
- Step 1: Write the proportion equation
175,703.78 : 242,372.22 = 111,152.99 : x - Step 2: Convert to fraction form
175,703.78/242,372.22 = 111,152.99/x - Step 3: Cross multiply
175,703.78x = 242,372.22 × 111,152.99 - Step 4: Simplify right side
175,703.78x = 26,940,395,734.08 - Step 5: Solve for x
x = 26,940,395,734.08/175,703.78 - Step 6: Final answer
x = 153,328.50
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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.