Finding the Fourth Proportional to 307,405.80, 424,252.62 and 180,188.28
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Solution
The fourth proportional to 307,405.80, 424,252.62 and 180,188.28 is: 248,678.94
Step by Step Solution
- Step 1: Write the proportion equation
307,405.80 : 424,252.62 = 180,188.28 : x - Step 2: Convert to fraction form
307,405.80/424,252.62 = 180,188.28/x - Step 3: Cross multiply
307,405.80x = 424,252.62 × 180,188.28 - Step 4: Simplify right side
307,405.80x = 76,445,349,883.29 - Step 5: Solve for x
x = 76,445,349,883.29/307,405.80 - Step 6: Final answer
x = 248,678.94
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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.