Finding the Fourth Proportional to 511,625.49, 767,110.14 and 212,312.67
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Solution
The fourth proportional to 511,625.49, 767,110.14 and 212,312.67 is: 318,332.85
Step by Step Solution
- Step 1: Write the proportion equation
511,625.49 : 767,110.14 = 212,312.67 : x - Step 2: Convert to fraction form
511,625.49/767,110.14 = 212,312.67/x - Step 3: Cross multiply
511,625.49x = 767,110.14 × 212,312.67 - Step 4: Simplify right side
511,625.49x = 162,867,202,007.47 - Step 5: Solve for x
x = 162,867,202,007.47/511,625.49 - Step 6: Final answer
x = 318,332.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.