Finding the Fourth Proportional to 368,638.29, 552,071.70 and 210,386.97
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Solution
The fourth proportional to 368,638.29, 552,071.70 and 210,386.97 is: 315,074.95
Step by Step Solution
- Step 1: Write the proportion equation
368,638.29 : 552,071.70 = 210,386.97 : x - Step 2: Convert to fraction form
368,638.29/552,071.70 = 210,386.97/x - Step 3: Cross multiply
368,638.29x = 552,071.70 × 210,386.97 - Step 4: Simplify right side
368,638.29x = 116,148,692,185.75 - Step 5: Solve for x
x = 116,148,692,185.75/368,638.29 - Step 6: Final answer
x = 315,074.95
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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.