Finding the Fourth Proportional to 501,725.75, 692,381.98 and 272,283.07
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Solution
The fourth proportional to 501,725.75, 692,381.98 and 272,283.07 is: 375,750.88
Step by Step Solution
- Step 1: Write the proportion equation
501,725.75 : 692,381.98 = 272,283.07 : x - Step 2: Convert to fraction form
501,725.75/692,381.98 = 272,283.07/x - Step 3: Cross multiply
501,725.75x = 692,381.98 × 272,283.07 - Step 4: Simplify right side
501,725.75x = 188,523,889,503.10 - Step 5: Solve for x
x = 188,523,889,503.10/501,725.75 - Step 6: Final answer
x = 375,750.88
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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.