Finding the Fourth Proportional to 366,930.70, 550,396.05 and 307,881.70
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Solution
The fourth proportional to 366,930.70, 550,396.05 and 307,881.70 is: 461,822.55
Step by Step Solution
- Step 1: Write the proportion equation
366,930.70 : 550,396.05 = 307,881.70 : x - Step 2: Convert to fraction form
366,930.70/550,396.05 = 307,881.70/x - Step 3: Cross multiply
366,930.70x = 550,396.05 × 307,881.70 - Step 4: Simplify right side
366,930.70x = 169,456,871,547.29 - Step 5: Solve for x
x = 169,456,871,547.29/366,930.70 - Step 6: Final answer
x = 461,822.55
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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.