Finding the Fourth Proportional to 436,831.14, 655,246.98 and 121,288.08
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Solution
The fourth proportional to 436,831.14, 655,246.98 and 121,288.08 is: 181,932.19
Step by Step Solution
- Step 1: Write the proportion equation
436,831.14 : 655,246.98 = 121,288.08 : x - Step 2: Convert to fraction form
436,831.14/655,246.98 = 121,288.08/x - Step 3: Cross multiply
436,831.14x = 655,246.98 × 121,288.08 - Step 4: Simplify right side
436,831.14x = 79,473,648,130.00 - Step 5: Solve for x
x = 79,473,648,130.00/436,831.14 - Step 6: Final answer
x = 181,932.19
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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.