Finding the Fourth Proportional to 343,506.39, 515,306.42 and 118,806.58
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Solution
The fourth proportional to 343,506.39, 515,306.42 and 118,806.58 is: 178,226.07
Step by Step Solution
- Step 1: Write the proportion equation
343,506.39 : 515,306.42 = 118,806.58 : x - Step 2: Convert to fraction form
343,506.39/515,306.42 = 118,806.58/x - Step 3: Cross multiply
343,506.39x = 515,306.42 × 118,806.58 - Step 4: Simplify right side
343,506.39x = 61,221,793,412.24 - Step 5: Solve for x
x = 61,221,793,412.24/343,506.39 - Step 6: Final answer
x = 178,226.07
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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.