Finding the Fourth Proportional to 226,368.27, 312,364.35 and 130,905.72
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Solution
The fourth proportional to 226,368.27, 312,364.35 and 130,905.72 is: 180,636.09
Step by Step Solution
- Step 1: Write the proportion equation
226,368.27 : 312,364.35 = 130,905.72 : x - Step 2: Convert to fraction form
226,368.27/312,364.35 = 130,905.72/x - Step 3: Cross multiply
226,368.27x = 312,364.35 × 130,905.72 - Step 4: Simplify right side
226,368.27x = 40,890,280,139.08 - Step 5: Solve for x
x = 40,890,280,139.08/226,368.27 - Step 6: Final answer
x = 180,636.09
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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.