Finding the Fourth Proportional to 328,312.68, 453,044.28 and 185,107.92
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Solution
The fourth proportional to 328,312.68, 453,044.28 and 185,107.92 is: 255,433.58
Step by Step Solution
- Step 1: Write the proportion equation
328,312.68 : 453,044.28 = 185,107.92 : x - Step 2: Convert to fraction form
328,312.68/453,044.28 = 185,107.92/x - Step 3: Cross multiply
328,312.68x = 453,044.28 × 185,107.92 - Step 4: Simplify right side
328,312.68x = 83,862,084,338.70 - Step 5: Solve for x
x = 83,862,084,338.70/328,312.68 - Step 6: Final answer
x = 255,433.58
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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.