Finding the Fourth Proportional to 502,009.27, 753,014.18 and 315,151.99
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Solution
The fourth proportional to 502,009.27, 753,014.18 and 315,151.99 is: 472,728.16
Step by Step Solution
- Step 1: Write the proportion equation
502,009.27 : 753,014.18 = 315,151.99 : x - Step 2: Convert to fraction form
502,009.27/753,014.18 = 315,151.99/x - Step 3: Cross multiply
502,009.27x = 753,014.18 × 315,151.99 - Step 4: Simplify right side
502,009.27x = 237,313,917,325.22 - Step 5: Solve for x
x = 237,313,917,325.22/502,009.27 - Step 6: Final answer
x = 472,728.16
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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.