Finding the Fourth Proportional to 625,268.99, 862,831.16 and 349,649.58
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Solution
The fourth proportional to 625,268.99, 862,831.16 and 349,649.58 is: 482,494.03
Step by Step Solution
- Step 1: Write the proportion equation
625,268.99 : 862,831.16 = 349,649.58 : x - Step 2: Convert to fraction form
625,268.99/862,831.16 = 349,649.58/x - Step 3: Cross multiply
625,268.99x = 862,831.16 × 349,649.58 - Step 4: Simplify right side
625,268.99x = 301,688,550,956.67 - Step 5: Solve for x
x = 301,688,550,956.67/625,268.99 - Step 6: Final answer
x = 482,494.03
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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.