Finding the Fourth Proportional to 180,135.63, 248,572.19 and 99,563.18
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Solution
The fourth proportional to 180,135.63, 248,572.19 and 99,563.18 is: 137,388.90
Step by Step Solution
- Step 1: Write the proportion equation
180,135.63 : 248,572.19 = 99,563.18 : x - Step 2: Convert to fraction form
180,135.63/248,572.19 = 99,563.18/x - Step 3: Cross multiply
180,135.63x = 248,572.19 × 99,563.18 - Step 4: Simplify right side
180,135.63x = 24,748,636,702.01 - Step 5: Solve for x
x = 24,748,636,702.01/180,135.63 - Step 6: Final answer
x = 137,388.90
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1.5x scale
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.