Finding the Fourth Proportional to 292,284.70, 438,427.05 and 213,552.70
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Solution
The fourth proportional to 292,284.70, 438,427.05 and 213,552.70 is: 320,329.05
Step by Step Solution
- Step 1: Write the proportion equation
292,284.70 : 438,427.05 = 213,552.70 : x - Step 2: Convert to fraction form
292,284.70/438,427.05 = 213,552.70/x - Step 3: Cross multiply
292,284.70x = 438,427.05 × 213,552.70 - Step 4: Simplify right side
292,284.70x = 93,627,280,280.54 - Step 5: Solve for x
x = 93,627,280,280.54/292,284.70 - Step 6: Final answer
x = 320,329.05
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1.5x scale
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.