Finding the Fourth Proportional to 219,701.80, 329,552.70 and 101,603.80
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Solution
The fourth proportional to 219,701.80, 329,552.70 and 101,603.80 is: 152,405.70
Step by Step Solution
- Step 1: Write the proportion equation
219,701.80 : 329,552.70 = 101,603.80 : x - Step 2: Convert to fraction form
219,701.80/329,552.70 = 101,603.80/x - Step 3: Cross multiply
219,701.80x = 329,552.70 × 101,603.80 - Step 4: Simplify right side
219,701.80x = 33,483,806,620.26 - Step 5: Solve for x
x = 33,483,806,620.26/219,701.80 - Step 6: Final answer
x = 152,405.70
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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.