Finding the Fourth Proportional to 151,278.08, 226,964.80 and 71,312.80
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Solution
The fourth proportional to 151,278.08, 226,964.80 and 71,312.80 is: 106,991.68
Step by Step Solution
- Step 1: Write the proportion equation
151,278.08 : 226,964.80 = 71,312.80 : x - Step 2: Convert to fraction form
151,278.08/226,964.80 = 71,312.80/x - Step 3: Cross multiply
151,278.08x = 226,964.80 × 71,312.80 - Step 4: Simplify right side
151,278.08x = 16,185,495,389.44 - Step 5: Solve for x
x = 16,185,495,389.44/151,278.08 - Step 6: Final answer
x = 106,991.68
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1.5x scale
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.