Finding the Fourth Proportional to 369,580.48, 509,990.50 and 208,475.12
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Solution
The fourth proportional to 369,580.48, 509,990.50 and 208,475.12 is: 287,678.43
Step by Step Solution
- Step 1: Write the proportion equation
369,580.48 : 509,990.50 = 208,475.12 : x - Step 2: Convert to fraction form
369,580.48/509,990.50 = 208,475.12/x - Step 3: Cross multiply
369,580.48x = 509,990.50 × 208,475.12 - Step 4: Simplify right side
369,580.48x = 106,320,330,686.36 - Step 5: Solve for x
x = 106,320,330,686.36/369,580.48 - Step 6: Final answer
x = 287,678.43
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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.