Finding the Fourth Proportional to 151,602.08, 209,126.88 and 106,347.44
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Solution
The fourth proportional to 151,602.08, 209,126.88 and 106,347.44 is: 146,700.55
Step by Step Solution
- Step 1: Write the proportion equation
151,602.08 : 209,126.88 = 106,347.44 : x - Step 2: Convert to fraction form
151,602.08/209,126.88 = 106,347.44/x - Step 3: Cross multiply
151,602.08x = 209,126.88 × 106,347.44 - Step 4: Simplify right side
151,602.08x = 22,240,108,323.19 - Step 5: Solve for x
x = 22,240,108,323.19/151,602.08 - Step 6: Final answer
x = 146,700.55
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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.