Finding the Fourth Proportional to 751,702.18, 1,127,719.14 and 219,264.88
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Solution
The fourth proportional to 751,702.18, 1,127,719.14 and 219,264.88 is: 328,945.70
Step by Step Solution
- Step 1: Write the proportion equation
751,702.18 : 1,127,719.14 = 219,264.88 : x - Step 2: Convert to fraction form
751,702.18/1,127,719.14 = 219,264.88/x - Step 3: Cross multiply
751,702.18x = 1,127,719.14 × 219,264.88 - Step 4: Simplify right side
751,702.18x = 247,269,201,905.80 - Step 5: Solve for x
x = 247,269,201,905.80/751,702.18 - Step 6: Final answer
x = 328,945.70
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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.