Finding the Fourth Proportional to 122,813.70, 184,220.55 and 63,629.70
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Solution
The fourth proportional to 122,813.70, 184,220.55 and 63,629.70 is: 95,444.55
Step by Step Solution
- Step 1: Write the proportion equation
122,813.70 : 184,220.55 = 63,629.70 : x - Step 2: Convert to fraction form
122,813.70/184,220.55 = 63,629.70/x - Step 3: Cross multiply
122,813.70x = 184,220.55 × 63,629.70 - Step 4: Simplify right side
122,813.70x = 11,721,898,330.34 - Step 5: Solve for x
x = 11,721,898,330.34/122,813.70 - Step 6: Final answer
x = 95,444.55
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1.5x scale
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.