Finding the Fourth Proportional to 347,982.67, 480,208.08 and 202,779.20
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Solution
The fourth proportional to 347,982.67, 480,208.08 and 202,779.20 is: 279,830.64
Step by Step Solution
- Step 1: Write the proportion equation
347,982.67 : 480,208.08 = 202,779.20 : x - Step 2: Convert to fraction form
347,982.67/480,208.08 = 202,779.20/x - Step 3: Cross multiply
347,982.67x = 480,208.08 × 202,779.20 - Step 4: Simplify right side
347,982.67x = 97,376,210,295.94 - Step 5: Solve for x
x = 97,376,210,295.94/347,982.67 - Step 6: Final answer
x = 279,830.64
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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.