Finding the Fourth Proportional to 539,371.40, 808,409.10 and 223,665.80
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Solution
The fourth proportional to 539,371.40, 808,409.10 and 223,665.80 is: 335,229.99
Step by Step Solution
- Step 1: Write the proportion equation
539,371.40 : 808,409.10 = 223,665.80 : x - Step 2: Convert to fraction form
539,371.40/808,409.10 = 223,665.80/x - Step 3: Cross multiply
539,371.40x = 808,409.10 × 223,665.80 - Step 4: Simplify right side
539,371.40x = 180,813,468,078.78 - Step 5: Solve for x
x = 180,813,468,078.78/539,371.40 - Step 6: Final answer
x = 335,229.99
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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.