Finding the Fourth Proportional to 648,357.70, 972,244.95 and 248,865.70
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Solution
The fourth proportional to 648,357.70, 972,244.95 and 248,865.70 is: 373,186.62
Step by Step Solution
- Step 1: Write the proportion equation
648,357.70 : 972,244.95 = 248,865.70 : x - Step 2: Convert to fraction form
648,357.70/972,244.95 = 248,865.70/x - Step 3: Cross multiply
648,357.70x = 972,244.95 × 248,865.70 - Step 4: Simplify right side
648,357.70x = 241,958,420,053.22 - Step 5: Solve for x
x = 241,958,420,053.22/648,357.70 - Step 6: Final answer
x = 373,186.62
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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.