Finding the Fourth Proportional to 487,054.53, 730,654.41 and 150,066.99
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Solution
The fourth proportional to 487,054.53, 730,654.41 and 150,066.99 is: 225,122.86
Step by Step Solution
- Step 1: Write the proportion equation
487,054.53 : 730,654.41 = 150,066.99 : x - Step 2: Convert to fraction form
487,054.53/730,654.41 = 150,066.99/x - Step 3: Cross multiply
487,054.53x = 730,654.41 × 150,066.99 - Step 4: Simplify right side
487,054.53x = 109,647,108,038.93 - Step 5: Solve for x
x = 109,647,108,038.93/487,054.53 - Step 6: Final answer
x = 225,122.86
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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.