Finding the Fourth Proportional to 343,773.84, 515,674.68 and 163,766.68
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Solution
The fourth proportional to 343,773.84, 515,674.68 and 163,766.68 is: 245,656.65
Step by Step Solution
- Step 1: Write the proportion equation
343,773.84 : 515,674.68 = 163,766.68 : x - Step 2: Convert to fraction form
343,773.84/515,674.68 = 163,766.68/x - Step 3: Cross multiply
343,773.84x = 515,674.68 × 163,766.68 - Step 4: Simplify right side
343,773.84x = 84,450,330,303.66 - Step 5: Solve for x
x = 84,450,330,303.66/343,773.84 - Step 6: Final answer
x = 245,656.65
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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.