Finding the Fourth Proportional to 256,239.79, 384,228.26 and 149,831.65
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Solution
The fourth proportional to 256,239.79, 384,228.26 and 149,831.65 is: 224,670.62
Step by Step Solution
- Step 1: Write the proportion equation
256,239.79 : 384,228.26 = 149,831.65 : x - Step 2: Convert to fraction form
256,239.79/384,228.26 = 149,831.65/x - Step 3: Cross multiply
256,239.79x = 384,228.26 × 149,831.65 - Step 4: Simplify right side
256,239.79x = 57,569,551,502.13 - Step 5: Solve for x
x = 57,569,551,502.13/256,239.79 - Step 6: Final answer
x = 224,670.62
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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.