Finding the Fourth Proportional to 273,368.88, 377,258.40 and 158,638.68
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Solution
The fourth proportional to 273,368.88, 377,258.40 and 158,638.68 is: 218,926.80
Step by Step Solution
- Step 1: Write the proportion equation
273,368.88 : 377,258.40 = 158,638.68 : x - Step 2: Convert to fraction form
273,368.88/377,258.40 = 158,638.68/x - Step 3: Cross multiply
273,368.88x = 377,258.40 × 158,638.68 - Step 4: Simplify right side
273,368.88x = 59,847,774,594.91 - Step 5: Solve for x
x = 59,847,774,594.91/273,368.88 - Step 6: Final answer
x = 218,926.80
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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.