Finding the Fourth Proportional to 157,430.70, 236,124.45 and 52,238.70
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Solution
The fourth proportional to 157,430.70, 236,124.45 and 52,238.70 is: 78,350.88
Step by Step Solution
- Step 1: Write the proportion equation
157,430.70 : 236,124.45 = 52,238.70 : x - Step 2: Convert to fraction form
157,430.70/236,124.45 = 52,238.70/x - Step 3: Cross multiply
157,430.70x = 236,124.45 × 52,238.70 - Step 4: Simplify right side
157,430.70x = 12,334,834,306.22 - Step 5: Solve for x
x = 12,334,834,306.22/157,430.70 - Step 6: Final answer
x = 78,350.88
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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.