Finding the Fourth Proportional to 162,269.63, 223,931.79 and 97,776.21
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Solution
The fourth proportional to 162,269.63, 223,931.79 and 97,776.21 is: 134,930.99
Step by Step Solution
- Step 1: Write the proportion equation
162,269.63 : 223,931.79 = 97,776.21 : x - Step 2: Convert to fraction form
162,269.63/223,931.79 = 97,776.21/x - Step 3: Cross multiply
162,269.63x = 223,931.79 × 97,776.21 - Step 4: Simplify right side
162,269.63x = 21,895,201,724.72 - Step 5: Solve for x
x = 21,895,201,724.72/162,269.63 - Step 6: Final answer
x = 134,930.99
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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.