Finding the Fourth Proportional to 231,929.61, 347,651.58 and 97,070.96
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Solution
The fourth proportional to 231,929.61, 347,651.58 and 97,070.96 is: 145,504.80
Step by Step Solution
- Step 1: Write the proportion equation
231,929.61 : 347,651.58 = 97,070.96 : x - Step 2: Convert to fraction form
231,929.61/347,651.58 = 97,070.96/x - Step 3: Cross multiply
231,929.61x = 347,651.58 × 97,070.96 - Step 4: Simplify right side
231,929.61x = 33,746,870,877.86 - Step 5: Solve for x
x = 33,746,870,877.86/231,929.61 - Step 6: Final answer
x = 145,504.80
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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.