Finding the Fourth Proportional to 421,597.42, 582,000.51 and 249,461.26
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Solution
The fourth proportional to 421,597.42, 582,000.51 and 249,461.26 is: 344,372.55
Step by Step Solution
- Step 1: Write the proportion equation
421,597.42 : 582,000.51 = 249,461.26 : x - Step 2: Convert to fraction form
421,597.42/582,000.51 = 249,461.26/x - Step 3: Cross multiply
421,597.42x = 582,000.51 × 249,461.26 - Step 4: Simplify right side
421,597.42x = 145,186,580,545.24 - Step 5: Solve for x
x = 145,186,580,545.24/421,597.42 - Step 6: Final answer
x = 344,372.55
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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.