Finding the Fourth Proportional to 457,240.24, 631,157.16 and 372,209.68
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Solution
The fourth proportional to 457,240.24, 631,157.16 and 372,209.68 is: 513,784.19
Step by Step Solution
- Step 1: Write the proportion equation
457,240.24 : 631,157.16 = 372,209.68 : x - Step 2: Convert to fraction form
457,240.24/631,157.16 = 372,209.68/x - Step 3: Cross multiply
457,240.24x = 631,157.16 × 372,209.68 - Step 4: Simplify right side
457,240.24x = 234,922,804,553.31 - Step 5: Solve for x
x = 234,922,804,553.31/457,240.24 - Step 6: Final answer
x = 513,784.19
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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.