Finding the Fourth Proportional to 372,503.09, 514,153.12 and 229,383.07
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Solution
The fourth proportional to 372,503.09, 514,153.12 and 229,383.07 is: 316,609.52
Step by Step Solution
- Step 1: Write the proportion equation
372,503.09 : 514,153.12 = 229,383.07 : x - Step 2: Convert to fraction form
372,503.09/514,153.12 = 229,383.07/x - Step 3: Cross multiply
372,503.09x = 514,153.12 × 229,383.07 - Step 4: Simplify right side
372,503.09x = 117,938,022,579.04 - Step 5: Solve for x
x = 117,938,022,579.04/372,503.09 - Step 6: Final answer
x = 316,609.52
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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.