Finding the Fourth Proportional to 276,832.23, 415,248.55 and 158,420.53
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Solution
The fourth proportional to 276,832.23, 415,248.55 and 158,420.53 is: 237,630.92
Step by Step Solution
- Step 1: Write the proportion equation
276,832.23 : 415,248.55 = 158,420.53 : x - Step 2: Convert to fraction form
276,832.23/415,248.55 = 158,420.53/x - Step 3: Cross multiply
276,832.23x = 415,248.55 × 158,420.53 - Step 4: Simplify right side
276,832.23x = 65,783,897,109.19 - Step 5: Solve for x
x = 65,783,897,109.19/276,832.23 - Step 6: Final answer
x = 237,630.92
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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.