Finding the Fourth Proportional to 282,368.84, 423,428.92 and 132,651.68
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Solution
The fourth proportional to 282,368.84, 423,428.92 and 132,651.68 is: 198,919.11
Step by Step Solution
- Step 1: Write the proportion equation
282,368.84 : 423,428.92 = 132,651.68 : x - Step 2: Convert to fraction form
282,368.84/423,428.92 = 132,651.68/x - Step 3: Cross multiply
282,368.84x = 423,428.92 × 132,651.68 - Step 4: Simplify right side
282,368.84x = 56,168,557,598.59 - Step 5: Solve for x
x = 56,168,557,598.59/282,368.84 - Step 6: Final answer
x = 198,919.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.