Finding the Fourth Proportional to 269,174.09, 403,149.08 and 208,718.12
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Solution
The fourth proportional to 269,174.09, 403,149.08 and 208,718.12 is: 312,602.59
Step by Step Solution
- Step 1: Write the proportion equation
269,174.09 : 403,149.08 = 208,718.12 : x - Step 2: Convert to fraction form
269,174.09/403,149.08 = 208,718.12/x - Step 3: Cross multiply
269,174.09x = 403,149.08 × 208,718.12 - Step 4: Simplify right side
269,174.09x = 84,144,519,587.00 - Step 5: Solve for x
x = 84,144,519,587.00/269,174.09 - Step 6: Final answer
x = 312,602.59
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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.