Finding the Fourth Proportional to 366,946.70, 550,420.05 and 307,897.70
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Solution
The fourth proportional to 366,946.70, 550,420.05 and 307,897.70 is: 461,846.55
Step by Step Solution
- Step 1: Write the proportion equation
366,946.70 : 550,420.05 = 307,897.70 : x - Step 2: Convert to fraction form
366,946.70/550,420.05 = 307,897.70/x - Step 3: Cross multiply
366,946.70x = 550,420.05 × 307,897.70 - Step 4: Simplify right side
366,946.70x = 169,473,067,428.89 - Step 5: Solve for x
x = 169,473,067,428.89/366,946.70 - Step 6: Final answer
x = 461,846.55
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1.5x scale
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.