Finding the Fourth Proportional to 539,330.82, 808,785.96 and 202,187.68
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Solution
The fourth proportional to 539,330.82, 808,785.96 and 202,187.68 is: 303,202.69
Step by Step Solution
- Step 1: Write the proportion equation
539,330.82 : 808,785.96 = 202,187.68 : x - Step 2: Convert to fraction form
539,330.82/808,785.96 = 202,187.68/x - Step 3: Cross multiply
539,330.82x = 808,785.96 × 202,187.68 - Step 4: Simplify right side
539,330.82x = 163,526,554,088.80 - Step 5: Solve for x
x = 163,526,554,088.80/539,330.82 - Step 6: Final answer
x = 303,202.69
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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.