Finding the Fourth Proportional to 313,655.52, 432,845.61 and 177,714.63
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Solution
The fourth proportional to 313,655.52, 432,845.61 and 177,714.63 is: 245,246.75
Step by Step Solution
- Step 1: Write the proportion equation
313,655.52 : 432,845.61 = 177,714.63 : x - Step 2: Convert to fraction form
313,655.52/432,845.61 = 177,714.63/x - Step 3: Cross multiply
313,655.52x = 432,845.61 × 177,714.63 - Step 4: Simplify right side
313,655.52x = 76,922,997,428.27 - Step 5: Solve for x
x = 76,922,997,428.27/313,655.52 - Step 6: Final answer
x = 245,246.75
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1.5x scale
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.