Finding the Fourth Proportional to 325,071.18, 487,703.37 and 156,542.79
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Solution
The fourth proportional to 325,071.18, 487,703.37 and 156,542.79 is: 234,860.70
Step by Step Solution
- Step 1: Write the proportion equation
325,071.18 : 487,703.37 = 156,542.79 : x - Step 2: Convert to fraction form
325,071.18/487,703.37 = 156,542.79/x - Step 3: Cross multiply
325,071.18x = 487,703.37 × 156,542.79 - Step 4: Simplify right side
325,071.18x = 76,346,446,232.20 - Step 5: Solve for x
x = 76,346,446,232.20/325,071.18 - Step 6: Final answer
x = 234,860.70
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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.