Finding the Fourth Proportional to 307,946.70, 461,920.05 and 202,884.30
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Solution
The fourth proportional to 307,946.70, 461,920.05 and 202,884.30 is: 304,326.45
Step by Step Solution
- Step 1: Write the proportion equation
307,946.70 : 461,920.05 = 202,884.30 : x - Step 2: Convert to fraction form
307,946.70/461,920.05 = 202,884.30/x - Step 3: Cross multiply
307,946.70x = 461,920.05 × 202,884.30 - Step 4: Simplify right side
307,946.70x = 93,716,326,000.22 - Step 5: Solve for x
x = 93,716,326,000.22/307,946.70 - Step 6: Final answer
x = 304,326.45
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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.