Finding the Fourth Proportional to 369,537.80, 554,306.70 and 120,219.80
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Solution
The fourth proportional to 369,537.80, 554,306.70 and 120,219.80 is: 180,329.70
Step by Step Solution
- Step 1: Write the proportion equation
369,537.80 : 554,306.70 = 120,219.80 : x - Step 2: Convert to fraction form
369,537.80/554,306.70 = 120,219.80/x - Step 3: Cross multiply
369,537.80x = 554,306.70 × 120,219.80 - Step 4: Simplify right side
369,537.80x = 66,638,640,612.66 - Step 5: Solve for x
x = 66,638,640,612.66/369,537.80 - Step 6: Final answer
x = 180,329.70
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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.