Finding the Fourth Proportional to 304,852.61, 420,690.92 and 183,998.99
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Solution
The fourth proportional to 304,852.61, 420,690.92 and 183,998.99 is: 253,915.18
Step by Step Solution
- Step 1: Write the proportion equation
304,852.61 : 420,690.92 = 183,998.99 : x - Step 2: Convert to fraction form
304,852.61/420,690.92 = 183,998.99/x - Step 3: Cross multiply
304,852.61x = 420,690.92 × 183,998.99 - Step 4: Simplify right side
304,852.61x = 77,406,704,513.90 - Step 5: Solve for x
x = 77,406,704,513.90/304,852.61 - Step 6: Final answer
x = 253,915.18
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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.