Finding the Fourth Proportional to 245,368.63, 338,614.05 and 149,927.95
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Solution
The fourth proportional to 245,368.63, 338,614.05 and 149,927.95 is: 206,903.83
Step by Step Solution
- Step 1: Write the proportion equation
245,368.63 : 338,614.05 = 149,927.95 : x - Step 2: Convert to fraction form
245,368.63/338,614.05 = 149,927.95/x - Step 3: Cross multiply
245,368.63x = 338,614.05 × 149,927.95 - Step 4: Simplify right side
245,368.63x = 50,767,710,357.70 - Step 5: Solve for x
x = 50,767,710,357.70/245,368.63 - Step 6: Final answer
x = 206,903.83
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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.