Finding the Fourth Proportional to 339,736.01, 509,652.95 and 126,485.82
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Solution
The fourth proportional to 339,736.01, 509,652.95 and 126,485.82 is: 189,746.95
Step by Step Solution
- Step 1: Write the proportion equation
339,736.01 : 509,652.95 = 126,485.82 : x - Step 2: Convert to fraction form
339,736.01/509,652.95 = 126,485.82/x - Step 3: Cross multiply
339,736.01x = 509,652.95 × 126,485.82 - Step 4: Simplify right side
339,736.01x = 64,463,870,663.74 - Step 5: Solve for x
x = 64,463,870,663.74/339,736.01 - Step 6: Final answer
x = 189,746.95
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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.