Finding the Fourth Proportional to 285,058.26, 393,374.85 and 157,733.94
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Solution
The fourth proportional to 285,058.26, 393,374.85 and 157,733.94 is: 217,669.77
Step by Step Solution
- Step 1: Write the proportion equation
285,058.26 : 393,374.85 = 157,733.94 : x - Step 2: Convert to fraction form
285,058.26/393,374.85 = 157,733.94/x - Step 3: Cross multiply
285,058.26x = 393,374.85 × 157,733.94 - Step 4: Simplify right side
285,058.26x = 62,048,564,987.41 - Step 5: Solve for x
x = 62,048,564,987.41/285,058.26 - Step 6: Final answer
x = 217,669.77
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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.