Finding the Fourth Proportional to 109,560.36, 164,307.60 and 56,941.08
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Solution
The fourth proportional to 109,560.36, 164,307.60 and 56,941.08 is: 85,394.50
Step by Step Solution
- Step 1: Write the proportion equation
109,560.36 : 164,307.60 = 56,941.08 : x - Step 2: Convert to fraction form
109,560.36/164,307.60 = 56,941.08/x - Step 3: Cross multiply
109,560.36x = 164,307.60 × 56,941.08 - Step 4: Simplify right side
109,560.36x = 9,355,852,196.21 - Step 5: Solve for x
x = 9,355,852,196.21/109,560.36 - Step 6: Final answer
x = 85,394.50
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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.