Finding the Fourth Proportional to 245,313.18, 338,535.36 and 137,876.94
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Solution
The fourth proportional to 245,313.18, 338,535.36 and 137,876.94 is: 190,271.96
Step by Step Solution
- Step 1: Write the proportion equation
245,313.18 : 338,535.36 = 137,876.94 : x - Step 2: Convert to fraction form
245,313.18/338,535.36 = 137,876.94/x - Step 3: Cross multiply
245,313.18x = 338,535.36 × 137,876.94 - Step 4: Simplify right side
245,313.18x = 46,676,219,518.60 - Step 5: Solve for x
x = 46,676,219,518.60/245,313.18 - Step 6: Final answer
x = 190,271.96
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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.