Finding the Fourth Proportional to 101,085.08, 151,312.08 and 74,461.08
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Solution
The fourth proportional to 101,085.08, 151,312.08 and 74,461.08 is: 111,459.19
Step by Step Solution
- Step 1: Write the proportion equation
101,085.08 : 151,312.08 = 74,461.08 : x - Step 2: Convert to fraction form
101,085.08/151,312.08 = 74,461.08/x - Step 3: Cross multiply
101,085.08x = 151,312.08 × 74,461.08 - Step 4: Simplify right side
101,085.08x = 11,266,860,893.85 - Step 5: Solve for x
x = 11,266,860,893.85/101,085.08 - Step 6: Final answer
x = 111,459.19
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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.