Finding the Fourth Proportional to 291,825.82, 402,626.99 and 230,377.19
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Solution
The fourth proportional to 291,825.82, 402,626.99 and 230,377.19 is: 317,847.39
Step by Step Solution
- Step 1: Write the proportion equation
291,825.82 : 402,626.99 = 230,377.19 : x - Step 2: Convert to fraction form
291,825.82/402,626.99 = 230,377.19/x - Step 3: Cross multiply
291,825.82x = 402,626.99 × 230,377.19 - Step 4: Simplify right side
291,825.82x = 92,756,073,422.47 - Step 5: Solve for x
x = 92,756,073,422.47/291,825.82 - Step 6: Final answer
x = 317,847.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.