Finding the Fourth Proportional to 539,179.67, 808,873.19 and 206,729.75
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Solution
The fourth proportional to 539,179.67, 808,873.19 and 206,729.75 is: 310,134.38
Step by Step Solution
- Step 1: Write the proportion equation
539,179.67 : 808,873.19 = 206,729.75 : x - Step 2: Convert to fraction form
539,179.67/808,873.19 = 206,729.75/x - Step 3: Cross multiply
539,179.67x = 808,873.19 × 206,729.75 - Step 4: Simplify right side
539,179.67x = 167,218,152,350.40 - Step 5: Solve for x
x = 167,218,152,350.40/539,179.67 - Step 6: Final answer
x = 310,134.38
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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.