Finding the Fourth Proportional to 273,457.10, 409,529.55 and 133,051.70
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Solution
The fourth proportional to 273,457.10, 409,529.55 and 133,051.70 is: 199,258.32
Step by Step Solution
- Step 1: Write the proportion equation
273,457.10 : 409,529.55 = 133,051.70 : x - Step 2: Convert to fraction form
273,457.10/409,529.55 = 133,051.70/x - Step 3: Cross multiply
273,457.10x = 409,529.55 × 133,051.70 - Step 4: Simplify right side
273,457.10x = 54,488,602,827.74 - Step 5: Solve for x
x = 54,488,602,827.74/273,457.10 - Step 6: Final answer
x = 199,258.32
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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.