Finding the Fourth Proportional to 329,397.68, 452,823.52 and 283,288.70
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Solution
The fourth proportional to 329,397.68, 452,823.52 and 283,288.70 is: 389,437.43
Step by Step Solution
- Step 1: Write the proportion equation
329,397.68 : 452,823.52 = 283,288.70 : x - Step 2: Convert to fraction form
329,397.68/452,823.52 = 283,288.70/x - Step 3: Cross multiply
329,397.68x = 452,823.52 × 283,288.70 - Step 4: Simplify right side
329,397.68x = 128,279,786,310.22 - Step 5: Solve for x
x = 128,279,786,310.22/329,397.68 - Step 6: Final answer
x = 389,437.43
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.