Finding the Fourth Proportional to 157,356.60, 217,153.08 and 93,697.08
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Solution
The fourth proportional to 157,356.60, 217,153.08 and 93,697.08 is: 129,302.55
Step by Step Solution
- Step 1: Write the proportion equation
157,356.60 : 217,153.08 = 93,697.08 : x - Step 2: Convert to fraction form
157,356.60/217,153.08 = 93,697.08/x - Step 3: Cross multiply
157,356.60x = 217,153.08 × 93,697.08 - Step 4: Simplify right side
157,356.60x = 20,346,609,509.01 - Step 5: Solve for x
x = 20,346,609,509.01/157,356.60 - Step 6: Final answer
x = 129,302.55
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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.