Finding the Fourth Proportional to 850,176.12, 1,173,189.88 and 468,202.91
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Solution
The fourth proportional to 850,176.12, 1,173,189.88 and 468,202.91 is: 646,090.73
Step by Step Solution
- Step 1: Write the proportion equation
850,176.12 : 1,173,189.88 = 468,202.91 : x - Step 2: Convert to fraction form
850,176.12/1,173,189.88 = 468,202.91/x - Step 3: Cross multiply
850,176.12x = 1,173,189.88 × 468,202.91 - Step 4: Simplify right side
850,176.12x = 549,290,908,762.09 - Step 5: Solve for x
x = 549,290,908,762.09/850,176.12 - Step 6: Final answer
x = 646,090.73
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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.