Finding the Fourth Proportional to 353,205.66, 487,467.99 and 202,302.78
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Solution
The fourth proportional to 353,205.66, 487,467.99 and 202,302.78 is: 279,203.14
Step by Step Solution
- Step 1: Write the proportion equation
353,205.66 : 487,467.99 = 202,302.78 : x - Step 2: Convert to fraction form
353,205.66/487,467.99 = 202,302.78/x - Step 3: Cross multiply
353,205.66x = 487,467.99 × 202,302.78 - Step 4: Simplify right side
353,205.66x = 98,616,129,538.01 - Step 5: Solve for x
x = 98,616,129,538.01/353,205.66 - Step 6: Final answer
x = 279,203.14
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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.