Finding the Fourth Proportional to 497,518.12, 686,575.26 and 282,658.56
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Solution
The fourth proportional to 497,518.12, 686,575.26 and 282,658.56 is: 390,068.96
Step by Step Solution
- Step 1: Write the proportion equation
497,518.12 : 686,575.26 = 282,658.56 : x - Step 2: Convert to fraction form
497,518.12/686,575.26 = 282,658.56/x - Step 3: Cross multiply
497,518.12x = 686,575.26 × 282,658.56 - Step 4: Simplify right side
497,518.12x = 194,066,374,323.23 - Step 5: Solve for x
x = 194,066,374,323.23/497,518.12 - Step 6: Final answer
x = 390,068.96
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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.