Finding the Fourth Proportional to 176,245.37, 243,214.73 and 99,762.94
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Solution
The fourth proportional to 176,245.37, 243,214.73 and 99,762.94 is: 137,670.66
Step by Step Solution
- Step 1: Write the proportion equation
176,245.37 : 243,214.73 = 99,762.94 : x - Step 2: Convert to fraction form
176,245.37/243,214.73 = 99,762.94/x - Step 3: Cross multiply
176,245.37x = 243,214.73 × 99,762.94 - Step 4: Simplify right side
176,245.37x = 24,263,815,300.03 - Step 5: Solve for x
x = 24,263,815,300.03/176,245.37 - Step 6: Final answer
x = 137,670.66
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1.5x scale
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.