Finding the Fourth Proportional to 282,313.81, 389,593.44 and 153,252.25
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Solution
The fourth proportional to 282,313.81, 389,593.44 and 153,252.25 is: 211,488.31
Step by Step Solution
- Step 1: Write the proportion equation
282,313.81 : 389,593.44 = 153,252.25 : x - Step 2: Convert to fraction form
282,313.81/389,593.44 = 153,252.25/x - Step 3: Cross multiply
282,313.81x = 389,593.44 × 153,252.25 - Step 4: Simplify right side
282,313.81x = 59,706,071,265.24 - Step 5: Solve for x
x = 59,706,071,265.24/282,313.81 - Step 6: Final answer
x = 211,488.31
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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.