Finding the Fourth Proportional to 145,841.32, 219,549.84 and 131,177.08
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Solution
The fourth proportional to 145,841.32, 219,549.84 and 131,177.08 is: 197,474.26
Step by Step Solution
- Step 1: Write the proportion equation
145,841.32 : 219,549.84 = 131,177.08 : x - Step 2: Convert to fraction form
145,841.32/219,549.84 = 131,177.08/x - Step 3: Cross multiply
145,841.32x = 219,549.84 × 131,177.08 - Step 4: Simplify right side
145,841.32x = 28,799,906,269.78 - Step 5: Solve for x
x = 28,799,906,269.78/145,841.32 - Step 6: Final answer
x = 197,474.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.