Finding the Fourth Proportional to 539,636.70, 809,313.99 and 160,455.32
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Solution
The fourth proportional to 539,636.70, 809,313.99 and 160,455.32 is: 240,641.03
Step by Step Solution
- Step 1: Write the proportion equation
539,636.70 : 809,313.99 = 160,455.32 : x - Step 2: Convert to fraction form
539,636.70/809,313.99 = 160,455.32/x - Step 3: Cross multiply
539,636.70x = 809,313.99 × 160,455.32 - Step 4: Simplify right side
539,636.70x = 129,858,731,199.36 - Step 5: Solve for x
x = 129,858,731,199.36/539,636.70 - Step 6: Final answer
x = 240,641.03
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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.