Finding the Fourth Proportional to 236,903.40, 355,355.10 and 217,549.80
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Solution
The fourth proportional to 236,903.40, 355,355.10 and 217,549.80 is: 326,324.70
Step by Step Solution
- Step 1: Write the proportion equation
236,903.40 : 355,355.10 = 217,549.80 : x - Step 2: Convert to fraction form
236,903.40/355,355.10 = 217,549.80/x - Step 3: Cross multiply
236,903.40x = 355,355.10 × 217,549.80 - Step 4: Simplify right side
236,903.40x = 77,307,430,933.98 - Step 5: Solve for x
x = 77,307,430,933.98/236,903.40 - Step 6: Final answer
x = 326,324.70
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1.5x scale
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.