Finding the Fourth Proportional to 536,223.21, 739,959.18 and 306,755.88
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Solution
The fourth proportional to 536,223.21, 739,959.18 and 306,755.88 is: 423,306.61
Step by Step Solution
- Step 1: Write the proportion equation
536,223.21 : 739,959.18 = 306,755.88 : x - Step 2: Convert to fraction form
536,223.21/739,959.18 = 306,755.88/x - Step 3: Cross multiply
536,223.21x = 739,959.18 × 306,755.88 - Step 4: Simplify right side
536,223.21x = 226,986,829,424.98 - Step 5: Solve for x
x = 226,986,829,424.98/536,223.21 - Step 6: Final answer
x = 423,306.61
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1.5x scale
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.