Finding the Fourth Proportional to 438,195.60, 657,244.80 and 122,684.40
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Solution
The fourth proportional to 438,195.60, 657,244.80 and 122,684.40 is: 184,012.99
Step by Step Solution
- Step 1: Write the proportion equation
438,195.60 : 657,244.80 = 122,684.40 : x - Step 2: Convert to fraction form
438,195.60/657,244.80 = 122,684.40/x - Step 3: Cross multiply
438,195.60x = 657,244.80 × 122,684.40 - Step 4: Simplify right side
438,195.60x = 80,633,683,941.12 - Step 5: Solve for x
x = 80,633,683,941.12/438,195.60 - Step 6: Final answer
x = 184,012.99
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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.