Finding the Fourth Proportional to 161,702.08, 242,579.04 and 68,221.60
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Solution
The fourth proportional to 161,702.08, 242,579.04 and 68,221.60 is: 102,343.34
Step by Step Solution
- Step 1: Write the proportion equation
161,702.08 : 242,579.04 = 68,221.60 : x - Step 2: Convert to fraction form
161,702.08/242,579.04 = 68,221.60/x - Step 3: Cross multiply
161,702.08x = 242,579.04 × 68,221.60 - Step 4: Simplify right side
161,702.08x = 16,549,130,235.26 - Step 5: Solve for x
x = 16,549,130,235.26/161,702.08 - Step 6: Final answer
x = 102,343.34
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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.