Finding the Fourth Proportional to 515,029.19, 710,741.82 and 285,602.63
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Solution
The fourth proportional to 515,029.19, 710,741.82 and 285,602.63 is: 394,132.48
Step by Step Solution
- Step 1: Write the proportion equation
515,029.19 : 710,741.82 = 285,602.63 : x - Step 2: Convert to fraction form
515,029.19/710,741.82 = 285,602.63/x - Step 3: Cross multiply
515,029.19x = 710,741.82 × 285,602.63 - Step 4: Simplify right side
515,029.19x = 202,989,733,042.99 - Step 5: Solve for x
x = 202,989,733,042.99/515,029.19 - Step 6: Final answer
x = 394,132.48
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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.