Finding the Fourth Proportional to 270,374.10, 373,140.45 and 149,543.70
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Solution
The fourth proportional to 270,374.10, 373,140.45 and 149,543.70 is: 206,383.69
Step by Step Solution
- Step 1: Write the proportion equation
270,374.10 : 373,140.45 = 149,543.70 : x - Step 2: Convert to fraction form
270,374.10/373,140.45 = 149,543.70/x - Step 3: Cross multiply
270,374.10x = 373,140.45 × 149,543.70 - Step 4: Simplify right side
270,374.10x = 55,800,803,512.67 - Step 5: Solve for x
x = 55,800,803,512.67/270,374.10 - Step 6: Final answer
x = 206,383.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.