Finding the Fourth Proportional to 106,798.22, 147,312.11 and 68,497.10
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Solution
The fourth proportional to 106,798.22, 147,312.11 and 68,497.10 is: 94,481.47
Step by Step Solution
- Step 1: Write the proportion equation
106,798.22 : 147,312.11 = 68,497.10 : x - Step 2: Convert to fraction form
106,798.22/147,312.11 = 68,497.10/x - Step 3: Cross multiply
106,798.22x = 147,312.11 × 68,497.10 - Step 4: Simplify right side
106,798.22x = 10,090,452,329.88 - Step 5: Solve for x
x = 10,090,452,329.88/106,798.22 - Step 6: Final answer
x = 94,481.47
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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.