Finding the Fourth Proportional to 180,098.08, 270,137.34 and 91,349.28
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Solution
The fourth proportional to 180,098.08, 270,137.34 and 91,349.28 is: 137,018.96
Step by Step Solution
- Step 1: Write the proportion equation
180,098.08 : 270,137.34 = 91,349.28 : x - Step 2: Convert to fraction form
180,098.08/270,137.34 = 91,349.28/x - Step 3: Cross multiply
180,098.08x = 270,137.34 × 91,349.28 - Step 4: Simplify right side
180,098.08x = 24,676,851,510.12 - Step 5: Solve for x
x = 24,676,851,510.12/180,098.08 - Step 6: Final answer
x = 137,018.96
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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.