Finding the Fourth Proportional to 287,911.44, 397,112.08 and 249,602.48
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Solution
The fourth proportional to 287,911.44, 397,112.08 and 249,602.48 is: 344,273.09
Step by Step Solution
- Step 1: Write the proportion equation
287,911.44 : 397,112.08 = 249,602.48 : x - Step 2: Convert to fraction form
287,911.44/397,112.08 = 249,602.48/x - Step 3: Cross multiply
287,911.44x = 397,112.08 × 249,602.48 - Step 4: Simplify right side
287,911.44x = 99,120,160,005.96 - Step 5: Solve for x
x = 99,120,160,005.96/287,911.44 - Step 6: Final answer
x = 344,273.09
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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.