Finding the Fourth Proportional to 230,963.80, 346,445.70 and 168,755.80
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Solution
The fourth proportional to 230,963.80, 346,445.70 and 168,755.80 is: 253,133.70
Step by Step Solution
- Step 1: Write the proportion equation
230,963.80 : 346,445.70 = 168,755.80 : x - Step 2: Convert to fraction form
230,963.80/346,445.70 = 168,755.80/x - Step 3: Cross multiply
230,963.80x = 346,445.70 × 168,755.80 - Step 4: Simplify right side
230,963.80x = 58,464,721,260.06 - Step 5: Solve for x
x = 58,464,721,260.06/230,963.80 - Step 6: Final answer
x = 253,133.70
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1.5x scale
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.