Finding the Fourth Proportional to 306,301.05, 459,151.62 and 171,430.99
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Solution
The fourth proportional to 306,301.05, 459,151.62 and 171,430.99 is: 256,978.60
Step by Step Solution
- Step 1: Write the proportion equation
306,301.05 : 459,151.62 = 171,430.99 : x - Step 2: Convert to fraction form
306,301.05/459,151.62 = 171,430.99/x - Step 3: Cross multiply
306,301.05x = 459,151.62 × 171,430.99 - Step 4: Simplify right side
306,301.05x = 78,712,814,480.95 - Step 5: Solve for x
x = 78,712,814,480.95/306,301.05 - Step 6: Final answer
x = 256,978.60
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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.