Finding the Fourth Proportional to 285,580.41, 394,117.55 and 164,726.79
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Solution
The fourth proportional to 285,580.41, 394,117.55 and 164,726.79 is: 227,332.53
Step by Step Solution
- Step 1: Write the proportion equation
285,580.41 : 394,117.55 = 164,726.79 : x - Step 2: Convert to fraction form
285,580.41/394,117.55 = 164,726.79/x - Step 3: Cross multiply
285,580.41x = 394,117.55 × 164,726.79 - Step 4: Simplify right side
285,580.41x = 64,921,718,070.53 - Step 5: Solve for x
x = 64,921,718,070.53/285,580.41 - Step 6: Final answer
x = 227,332.53
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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.