Finding the Fourth Proportional to 202,187.20, 302,681.76 and 149,831.68
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Solution
The fourth proportional to 202,187.20, 302,681.76 and 149,831.68 is: 224,303.60
Step by Step Solution
- Step 1: Write the proportion equation
202,187.20 : 302,681.76 = 149,831.68 : x - Step 2: Convert to fraction form
202,187.20/302,681.76 = 149,831.68/x - Step 3: Cross multiply
202,187.20x = 302,681.76 × 149,831.68 - Step 4: Simplify right side
202,187.20x = 45,351,316,606.16 - Step 5: Solve for x
x = 45,351,316,606.16/202,187.20 - Step 6: Final answer
x = 224,303.60
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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.