Finding the Fourth Proportional to 850,193.70, 1,173,259.53 and 468,212.28
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Solution
The fourth proportional to 850,193.70, 1,173,259.53 and 468,212.28 is: 646,128.66
Step by Step Solution
- Step 1: Write the proportion equation
850,193.70 : 1,173,259.53 = 468,212.28 : x - Step 2: Convert to fraction form
850,193.70/1,173,259.53 = 468,212.28/x - Step 3: Cross multiply
850,193.70x = 1,173,259.53 × 468,212.28 - Step 4: Simplify right side
850,193.70x = 549,334,519,573.03 - Step 5: Solve for x
x = 549,334,519,573.03/850,193.70 - Step 6: Final answer
x = 646,128.66
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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.