Finding the Fourth Proportional to 157,835.12, 236,750.28 and 47,027.12
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Solution
The fourth proportional to 157,835.12, 236,750.28 and 47,027.12 is: 70,539.96
Step by Step Solution
- Step 1: Write the proportion equation
157,835.12 : 236,750.28 = 47,027.12 : x - Step 2: Convert to fraction form
157,835.12/236,750.28 = 47,027.12/x - Step 3: Cross multiply
157,835.12x = 236,750.28 × 47,027.12 - Step 4: Simplify right side
157,835.12x = 11,133,683,827.59 - Step 5: Solve for x
x = 11,133,683,827.59/157,835.12 - Step 6: Final answer
x = 70,539.96
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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.