Finding the Fourth Proportional to 157,123.94, 235,699.80 and 44,801.75
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Solution
The fourth proportional to 157,123.94, 235,699.80 and 44,801.75 is: 67,206.58
Step by Step Solution
- Step 1: Write the proportion equation
157,123.94 : 235,699.80 = 44,801.75 : x - Step 2: Convert to fraction form
157,123.94/235,699.80 = 44,801.75/x - Step 3: Cross multiply
157,123.94x = 235,699.80 × 44,801.75 - Step 4: Simplify right side
157,123.94x = 10,559,762,336.15 - Step 5: Solve for x
x = 10,559,762,336.15/157,123.94 - Step 6: Final answer
x = 67,206.58
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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.