Finding the Fourth Proportional to 305,962.60, 422,214.66 and 170,006.08
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Solution
The fourth proportional to 305,962.60, 422,214.66 and 170,006.08 is: 234,600.76
Step by Step Solution
- Step 1: Write the proportion equation
305,962.60 : 422,214.66 = 170,006.08 : x - Step 2: Convert to fraction form
305,962.60/422,214.66 = 170,006.08/x - Step 3: Cross multiply
305,962.60x = 422,214.66 × 170,006.08 - Step 4: Simplify right side
305,962.60x = 71,779,059,265.13 - Step 5: Solve for x
x = 71,779,059,265.13/305,962.60 - Step 6: Final answer
x = 234,600.76
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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.