Finding the Fourth Proportional to 328,343.95, 453,095.12 and 190,512.23
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Solution
The fourth proportional to 328,343.95, 453,095.12 and 190,512.23 is: 262,895.55
Step by Step Solution
- Step 1: Write the proportion equation
328,343.95 : 453,095.12 = 190,512.23 : x - Step 2: Convert to fraction form
328,343.95/453,095.12 = 190,512.23/x - Step 3: Cross multiply
328,343.95x = 453,095.12 × 190,512.23 - Step 4: Simplify right side
328,343.95x = 86,320,160,760.76 - Step 5: Solve for x
x = 86,320,160,760.76/328,343.95 - Step 6: Final answer
x = 262,895.55
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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.