Finding the Fourth Proportional to 641,171.74, 884,813.76 and 350,778.06
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Solution
The fourth proportional to 641,171.74, 884,813.76 and 350,778.06 is: 484,071.95
Step by Step Solution
- Step 1: Write the proportion equation
641,171.74 : 884,813.76 = 350,778.06 : x - Step 2: Convert to fraction form
641,171.74/884,813.76 = 350,778.06/x - Step 3: Cross multiply
641,171.74x = 884,813.76 × 350,778.06 - Step 4: Simplify right side
641,171.74x = 310,373,254,194.11 - Step 5: Solve for x
x = 310,373,254,194.11/641,171.74 - Step 6: Final answer
x = 484,071.95
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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.