Finding the Fourth Proportional to 133,577.99, 184,358.46 and 76,217.23
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Solution
The fourth proportional to 133,577.99, 184,358.46 and 76,217.23 is: 105,191.66
Step by Step Solution
- Step 1: Write the proportion equation
133,577.99 : 184,358.46 = 76,217.23 : x - Step 2: Convert to fraction form
133,577.99/184,358.46 = 76,217.23/x - Step 3: Cross multiply
133,577.99x = 184,358.46 × 76,217.23 - Step 4: Simplify right side
133,577.99x = 14,051,291,148.27 - Step 5: Solve for x
x = 14,051,291,148.27/133,577.99 - Step 6: Final answer
x = 105,191.66
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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.