Finding the Fourth Proportional to 457,230.24, 631,143.36 and 372,199.68
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Solution
The fourth proportional to 457,230.24, 631,143.36 and 372,199.68 is: 513,770.39
Step by Step Solution
- Step 1: Write the proportion equation
457,230.24 : 631,143.36 = 372,199.68 : x - Step 2: Convert to fraction form
457,230.24/631,143.36 = 372,199.68/x - Step 3: Cross multiply
457,230.24x = 631,143.36 × 372,199.68 - Step 4: Simplify right side
457,230.24x = 234,911,356,626.13 - Step 5: Solve for x
x = 234,911,356,626.13/457,230.24 - Step 6: Final answer
x = 513,770.39
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1.5x scale
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.