Finding the Fourth Proportional to 389,259.24, 537,177.82 and 219,493.36
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Solution
The fourth proportional to 389,259.24, 537,177.82 and 219,493.36 is: 302,900.88
Step by Step Solution
- Step 1: Write the proportion equation
389,259.24 : 537,177.82 = 219,493.36 : x - Step 2: Convert to fraction form
389,259.24/537,177.82 = 219,493.36/x - Step 3: Cross multiply
389,259.24x = 537,177.82 × 219,493.36 - Step 4: Simplify right side
389,259.24x = 117,906,964,629.28 - Step 5: Solve for x
x = 117,906,964,629.28/389,259.24 - Step 6: Final answer
x = 302,900.88
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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.