Finding the Fourth Proportional to 511,120.95, 767,037.17 and 211,603.08
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Solution
The fourth proportional to 511,120.95, 767,037.17 and 211,603.08 is: 317,551.90
Step by Step Solution
- Step 1: Write the proportion equation
511,120.95 : 767,037.17 = 211,603.08 : x - Step 2: Convert to fraction form
511,120.95/767,037.17 = 211,603.08/x - Step 3: Cross multiply
511,120.95x = 767,037.17 × 211,603.08 - Step 4: Simplify right side
511,120.95x = 162,307,427,646.48 - Step 5: Solve for x
x = 162,307,427,646.48/511,120.95 - Step 6: Final answer
x = 317,551.90
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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.