Finding the Fourth Proportional to 347,576.07, 479,407.62 and 318,988.06
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Solution
The fourth proportional to 347,576.07, 479,407.62 and 318,988.06 is: 439,976.51
Step by Step Solution
- Step 1: Write the proportion equation
347,576.07 : 479,407.62 = 318,988.06 : x - Step 2: Convert to fraction form
347,576.07/479,407.62 = 318,988.06/x - Step 3: Cross multiply
347,576.07x = 479,407.62 × 318,988.06 - Step 4: Simplify right side
347,576.07x = 152,925,306,653.02 - Step 5: Solve for x
x = 152,925,306,653.02/347,576.07 - Step 6: Final answer
x = 439,976.51
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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.