Finding the Fourth Proportional to 157,027.62, 235,398.88 and 57,117.18
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Solution
The fourth proportional to 157,027.62, 235,398.88 and 57,117.18 is: 85,623.92
Step by Step Solution
- Step 1: Write the proportion equation
157,027.62 : 235,398.88 = 57,117.18 : x - Step 2: Convert to fraction form
157,027.62/235,398.88 = 57,117.18/x - Step 3: Cross multiply
157,027.62x = 235,398.88 × 57,117.18 - Step 4: Simplify right side
157,027.62x = 13,445,320,200.76 - Step 5: Solve for x
x = 13,445,320,200.76/157,027.62 - Step 6: Final answer
x = 85,623.92
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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.