Finding the Fourth Proportional to 224,077.80, 309,199.38 and 151,639.08
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Solution
The fourth proportional to 224,077.80, 309,199.38 and 151,639.08 is: 209,242.99
Step by Step Solution
- Step 1: Write the proportion equation
224,077.80 : 309,199.38 = 151,639.08 : x - Step 2: Convert to fraction form
224,077.80/309,199.38 = 151,639.08/x - Step 3: Cross multiply
224,077.80x = 309,199.38 × 151,639.08 - Step 4: Simplify right side
224,077.80x = 46,886,709,519.77 - Step 5: Solve for x
x = 46,886,709,519.77/224,077.80 - Step 6: Final answer
x = 209,242.99
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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.