Finding the Fourth Proportional to 328,152.58, 452,887.11 and 207,288.02
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Solution
The fourth proportional to 328,152.58, 452,887.11 and 207,288.02 is: 286,080.56
Step by Step Solution
- Step 1: Write the proportion equation
328,152.58 : 452,887.11 = 207,288.02 : x - Step 2: Convert to fraction form
328,152.58/452,887.11 = 207,288.02/x - Step 3: Cross multiply
328,152.58x = 452,887.11 × 207,288.02 - Step 4: Simplify right side
328,152.58x = 93,878,073,447.64 - Step 5: Solve for x
x = 93,878,073,447.64/328,152.58 - Step 6: Final answer
x = 286,080.56
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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.