Finding the Fourth Proportional to 163,925.20, 226,214.58 and 92,312.26
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Solution
The fourth proportional to 163,925.20, 226,214.58 and 92,312.26 is: 127,389.68
Step by Step Solution
- Step 1: Write the proportion equation
163,925.20 : 226,214.58 = 92,312.26 : x - Step 2: Convert to fraction form
163,925.20/226,214.58 = 92,312.26/x - Step 3: Cross multiply
163,925.20x = 226,214.58 × 92,312.26 - Step 4: Simplify right side
163,925.20x = 20,882,379,124.75 - Step 5: Solve for x
x = 20,882,379,124.75/163,925.20 - Step 6: Final answer
x = 127,389.68
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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.