Finding the Fourth Proportional to 539,675.21, 809,365.04 and 202,689.80
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Solution
The fourth proportional to 539,675.21, 809,365.04 and 202,689.80 is: 303,979.20
Step by Step Solution
- Step 1: Write the proportion equation
539,675.21 : 809,365.04 = 202,689.80 : x - Step 2: Convert to fraction form
539,675.21/809,365.04 = 202,689.80/x - Step 3: Cross multiply
539,675.21x = 809,365.04 × 202,689.80 - Step 4: Simplify right side
539,675.21x = 164,050,038,084.59 - Step 5: Solve for x
x = 164,050,038,084.59/539,675.21 - Step 6: Final answer
x = 303,979.20
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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.