Finding the Fourth Proportional to 605,323.12, 907,991.96 and 205,972.08
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Solution
The fourth proportional to 605,323.12, 907,991.96 and 205,972.08 is: 308,960.60
Step by Step Solution
- Step 1: Write the proportion equation
605,323.12 : 907,991.96 = 205,972.08 : x - Step 2: Convert to fraction form
605,323.12/907,991.96 = 205,972.08/x - Step 3: Cross multiply
605,323.12x = 907,991.96 × 205,972.08 - Step 4: Simplify right side
605,323.12x = 187,020,992,624.48 - Step 5: Solve for x
x = 187,020,992,624.48/605,323.12 - Step 6: Final answer
x = 308,960.60
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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.