Finding the Fourth Proportional to 368,347.80, 552,197.70 and 249,634.20
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Solution
The fourth proportional to 368,347.80, 552,197.70 and 249,634.20 is: 374,231.72
Step by Step Solution
- Step 1: Write the proportion equation
368,347.80 : 552,197.70 = 249,634.20 : x - Step 2: Convert to fraction form
368,347.80/552,197.70 = 249,634.20/x - Step 3: Cross multiply
368,347.80x = 552,197.70 × 249,634.20 - Step 4: Simplify right side
368,347.80x = 137,847,431,081.34 - Step 5: Solve for x
x = 137,847,431,081.34/368,347.80 - Step 6: Final answer
x = 374,231.72
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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.