Finding the Fourth Proportional to 319,911.06, 441,465.18 and 174,712.02
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Solution
The fourth proportional to 319,911.06, 441,465.18 and 174,712.02 is: 241,095.99
Step by Step Solution
- Step 1: Write the proportion equation
319,911.06 : 441,465.18 = 174,712.02 : x - Step 2: Convert to fraction form
319,911.06/441,465.18 = 174,712.02/x - Step 3: Cross multiply
319,911.06x = 441,465.18 × 174,712.02 - Step 4: Simplify right side
319,911.06x = 77,129,273,357.46 - Step 5: Solve for x
x = 77,129,273,357.46/319,911.06 - Step 6: Final answer
x = 241,095.99
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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.