Finding the Fourth Proportional to 193,303.70, 289,609.95 and 165,655.70
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Solution
The fourth proportional to 193,303.70, 289,609.95 and 165,655.70 is: 248,187.38
Step by Step Solution
- Step 1: Write the proportion equation
193,303.70 : 289,609.95 = 165,655.70 : x - Step 2: Convert to fraction form
193,303.70/289,609.95 = 165,655.70/x - Step 3: Cross multiply
193,303.70x = 289,609.95 × 165,655.70 - Step 4: Simplify right side
193,303.70x = 47,975,538,994.22 - Step 5: Solve for x
x = 47,975,538,994.22/193,303.70 - Step 6: Final answer
x = 248,187.38
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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.