Finding the Fourth Proportional to 374,947.70, 562,421.55 and 125,629.70
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Solution
The fourth proportional to 374,947.70, 562,421.55 and 125,629.70 is: 188,444.55
Step by Step Solution
- Step 1: Write the proportion equation
374,947.70 : 562,421.55 = 125,629.70 : x - Step 2: Convert to fraction form
374,947.70/562,421.55 = 125,629.70/x - Step 3: Cross multiply
374,947.70x = 562,421.55 × 125,629.70 - Step 4: Simplify right side
374,947.70x = 70,656,850,600.04 - Step 5: Solve for x
x = 70,656,850,600.04/374,947.70 - Step 6: Final answer
x = 188,444.55
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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.