Finding the Fourth Proportional to 489,936.36, 676,186.47 and 299,060.67
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Solution
The fourth proportional to 489,936.36, 676,186.47 and 299,060.67 is: 412,749.07
Step by Step Solution
- Step 1: Write the proportion equation
489,936.36 : 676,186.47 = 299,060.67 : x - Step 2: Convert to fraction form
489,936.36/676,186.47 = 299,060.67/x - Step 3: Cross multiply
489,936.36x = 676,186.47 × 299,060.67 - Step 4: Simplify right side
489,936.36x = 202,220,778,763.14 - Step 5: Solve for x
x = 202,220,778,763.14/489,936.36 - Step 6: Final answer
x = 412,749.07
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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.