Finding the Fourth Proportional to 389,240.84, 583,945.94 and 119,369.09
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Solution
The fourth proportional to 389,240.84, 583,945.94 and 119,369.09 is: 179,079.61
Step by Step Solution
- Step 1: Write the proportion equation
389,240.84 : 583,945.94 = 119,369.09 : x - Step 2: Convert to fraction form
389,240.84/583,945.94 = 119,369.09/x - Step 3: Cross multiply
389,240.84x = 583,945.94 × 119,369.09 - Step 4: Simplify right side
389,240.84x = 69,705,097,225.28 - Step 5: Solve for x
x = 69,705,097,225.28/389,240.84 - Step 6: Final answer
x = 179,079.61
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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.