Finding the Fourth Proportional to 185,881.08, 256,516.98 and 100,998.12
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Solution
The fourth proportional to 185,881.08, 256,516.98 and 100,998.12 is: 139,378.00
Step by Step Solution
- Step 1: Write the proportion equation
185,881.08 : 256,516.98 = 100,998.12 : x - Step 2: Convert to fraction form
185,881.08/256,516.98 = 100,998.12/x - Step 3: Cross multiply
185,881.08x = 256,516.98 × 100,998.12 - Step 4: Simplify right side
185,881.08x = 25,907,732,728.08 - Step 5: Solve for x
x = 25,907,732,728.08/185,881.08 - Step 6: Final answer
x = 139,378.00
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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.