Finding the Fourth Proportional to 157,304.18, 217,083.06 and 85,684.02
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Solution
The fourth proportional to 157,304.18, 217,083.06 and 85,684.02 is: 118,245.74
Step by Step Solution
- Step 1: Write the proportion equation
157,304.18 : 217,083.06 = 85,684.02 : x - Step 2: Convert to fraction form
157,304.18/217,083.06 = 85,684.02/x - Step 3: Cross multiply
157,304.18x = 217,083.06 × 85,684.02 - Step 4: Simplify right side
157,304.18x = 18,600,549,254.70 - Step 5: Solve for x
x = 18,600,549,254.70/157,304.18 - Step 6: Final answer
x = 118,245.74
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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.