Finding the Fourth Proportional to 230,878.74, 346,352.74 and 81,092.63
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Solution
The fourth proportional to 230,878.74, 346,352.74 and 81,092.63 is: 121,651.11
Step by Step Solution
- Step 1: Write the proportion equation
230,878.74 : 346,352.74 = 81,092.63 : x - Step 2: Convert to fraction form
230,878.74/346,352.74 = 81,092.63/x - Step 3: Cross multiply
230,878.74x = 346,352.74 × 81,092.63 - Step 4: Simplify right side
230,878.74x = 28,086,654,594.31 - Step 5: Solve for x
x = 28,086,654,594.31/230,878.74 - Step 6: Final answer
x = 121,651.11
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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.