Finding the Fourth Proportional to 97,211.17, 145,811.90 and 38,057.68
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Solution
The fourth proportional to 97,211.17, 145,811.90 and 38,057.68 is: 57,084.62
Step by Step Solution
- Step 1: Write the proportion equation
97,211.17 : 145,811.90 = 38,057.68 : x - Step 2: Convert to fraction form
97,211.17/145,811.90 = 38,057.68/x - Step 3: Cross multiply
97,211.17x = 145,811.90 × 38,057.68 - Step 4: Simplify right side
97,211.17x = 5,549,262,440.10 - Step 5: Solve for x
x = 5,549,262,440.10/97,211.17 - Step 6: Final answer
x = 57,084.62
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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.