Finding the Fourth Proportional to 274,045.68, 411,101.64 and 105,526.80
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Solution
The fourth proportional to 274,045.68, 411,101.64 and 105,526.80 is: 158,302.95
Step by Step Solution
- Step 1: Write the proportion equation
274,045.68 : 411,101.64 = 105,526.80 : x - Step 2: Convert to fraction form
274,045.68/411,101.64 = 105,526.80/x - Step 3: Cross multiply
274,045.68x = 411,101.64 × 105,526.80 - Step 4: Simplify right side
274,045.68x = 43,382,240,543.95 - Step 5: Solve for x
x = 43,382,240,543.95/274,045.68 - Step 6: Final answer
x = 158,302.95
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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.