Finding the Fourth Proportional to 157,455.80, 236,122.68 and 52,246.52
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Solution
The fourth proportional to 157,455.80, 236,122.68 and 52,246.52 is: 78,349.53
Step by Step Solution
- Step 1: Write the proportion equation
157,455.80 : 236,122.68 = 52,246.52 : x - Step 2: Convert to fraction form
157,455.80/236,122.68 = 52,246.52/x - Step 3: Cross multiply
157,455.80x = 236,122.68 × 52,246.52 - Step 4: Simplify right side
157,455.80x = 12,336,588,323.07 - Step 5: Solve for x
x = 12,336,588,323.07/157,455.80 - Step 6: Final answer
x = 78,349.53
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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.