Finding the Fourth Proportional to 156,189.23, 215,380.03 and 133,602.99
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Solution
The fourth proportional to 156,189.23, 215,380.03 and 133,602.99 is: 184,234.32
Step by Step Solution
- Step 1: Write the proportion equation
156,189.23 : 215,380.03 = 133,602.99 : x - Step 2: Convert to fraction form
156,189.23/215,380.03 = 133,602.99/x - Step 3: Cross multiply
156,189.23x = 215,380.03 × 133,602.99 - Step 4: Simplify right side
156,189.23x = 28,775,415,994.29 - Step 5: Solve for x
x = 28,775,415,994.29/156,189.23 - Step 6: Final answer
x = 184,234.32
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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.