Finding the Fourth Proportional to 338,831.25, 508,293.72 and 114,255.99
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Solution
The fourth proportional to 338,831.25, 508,293.72 and 114,255.99 is: 171,399.78
Step by Step Solution
- Step 1: Write the proportion equation
338,831.25 : 508,293.72 = 114,255.99 : x - Step 2: Convert to fraction form
338,831.25/508,293.72 = 114,255.99/x - Step 3: Cross multiply
338,831.25x = 508,293.72 × 114,255.99 - Step 4: Simplify right side
338,831.25x = 58,075,602,189.38 - Step 5: Solve for x
x = 58,075,602,189.38/338,831.25 - Step 6: Final answer
x = 171,399.78
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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.