Finding the Fourth Proportional to 374,911.20, 562,366.80 and 125,593.20
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Solution
The fourth proportional to 374,911.20, 562,366.80 and 125,593.20 is: 188,389.80
Step by Step Solution
- Step 1: Write the proportion equation
374,911.20 : 562,366.80 = 125,593.20 : x - Step 2: Convert to fraction form
374,911.20/562,366.80 = 125,593.20/x - Step 3: Cross multiply
374,911.20x = 562,366.80 × 125,593.20 - Step 4: Simplify right side
374,911.20x = 70,629,445,985.76 - Step 5: Solve for x
x = 70,629,445,985.76/374,911.20 - Step 6: Final answer
x = 188,389.80
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1.5x scale
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.