Finding the Fourth Proportional to 356,702.70, 535,109.39 and 120,026.91
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Solution
The fourth proportional to 356,702.70, 535,109.39 and 120,026.91 is: 180,058.99
Step by Step Solution
- Step 1: Write the proportion equation
356,702.70 : 535,109.39 = 120,026.91 : x - Step 2: Convert to fraction form
356,702.70/535,109.39 = 120,026.91/x - Step 3: Cross multiply
356,702.70x = 535,109.39 × 120,026.91 - Step 4: Simplify right side
356,702.70x = 64,227,528,450.31 - Step 5: Solve for x
x = 64,227,528,450.31/356,702.70 - Step 6: Final answer
x = 180,058.99
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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.