Finding the Fourth Proportional to 665,625.70, 998,584.35 and 266,166.10
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Solution
The fourth proportional to 665,625.70, 998,584.35 and 266,166.10 is: 399,307.45
Step by Step Solution
- Step 1: Write the proportion equation
665,625.70 : 998,584.35 = 266,166.10 : x - Step 2: Convert to fraction form
665,625.70/998,584.35 = 266,166.10/x - Step 3: Cross multiply
665,625.70x = 998,584.35 × 266,166.10 - Step 4: Simplify right side
665,625.70x = 265,789,301,960.54 - Step 5: Solve for x
x = 265,789,301,960.54/665,625.70 - Step 6: Final answer
x = 399,307.45
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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.