Finding the Fourth Proportional to 408,201.24, 563,329.26 and 247,085.40
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Solution
The fourth proportional to 408,201.24, 563,329.26 and 247,085.40 is: 340,984.84
Step by Step Solution
- Step 1: Write the proportion equation
408,201.24 : 563,329.26 = 247,085.40 : x - Step 2: Convert to fraction form
408,201.24/563,329.26 = 247,085.40/x - Step 3: Cross multiply
408,201.24x = 563,329.26 × 247,085.40 - Step 4: Simplify right side
408,201.24x = 139,190,435,538.80 - Step 5: Solve for x
x = 139,190,435,538.80/408,201.24 - Step 6: Final answer
x = 340,984.84
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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.