Finding the Fourth Proportional to 168,890.95, 253,193.35 and 74,049.26
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Solution
The fourth proportional to 168,890.95, 253,193.35 and 74,049.26 is: 111,011.15
Step by Step Solution
- Step 1: Write the proportion equation
168,890.95 : 253,193.35 = 74,049.26 : x - Step 2: Convert to fraction form
168,890.95/253,193.35 = 74,049.26/x - Step 3: Cross multiply
168,890.95x = 253,193.35 × 74,049.26 - Step 4: Simplify right side
168,890.95x = 18,748,779,089.23 - Step 5: Solve for x
x = 18,748,779,089.23/168,890.95 - Step 6: Final answer
x = 111,011.15
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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.