Finding the Fourth Proportional to 157,117.86, 235,678.98 and 44,798.12
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Solution
The fourth proportional to 157,117.86, 235,678.98 and 44,798.12 is: 67,197.80
Step by Step Solution
- Step 1: Write the proportion equation
157,117.86 : 235,678.98 = 44,798.12 : x - Step 2: Convert to fraction form
157,117.86/235,678.98 = 44,798.12/x - Step 3: Cross multiply
157,117.86x = 235,678.98 × 44,798.12 - Step 4: Simplify right side
157,117.86x = 10,557,975,235.12 - Step 5: Solve for x
x = 10,557,975,235.12/157,117.86 - Step 6: Final answer
x = 67,197.80
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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.