Finding the Fourth Proportional to 307,636.08, 424,367.21 and 180,287.07
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Solution
The fourth proportional to 307,636.08, 424,367.21 and 180,287.07 is: 248,696.19
Step by Step Solution
- Step 1: Write the proportion equation
307,636.08 : 424,367.21 = 180,287.07 : x - Step 2: Convert to fraction form
307,636.08/424,367.21 = 180,287.07/x - Step 3: Cross multiply
307,636.08x = 424,367.21 × 180,287.07 - Step 4: Simplify right side
307,636.08x = 76,507,920,894.97 - Step 5: Solve for x
x = 76,507,920,894.97/307,636.08 - Step 6: Final answer
x = 248,696.19
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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.