Finding the Fourth Proportional to 104,580.90, 156,871.35 and 97,363.80
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Solution
The fourth proportional to 104,580.90, 156,871.35 and 97,363.80 is: 146,045.70
Step by Step Solution
- Step 1: Write the proportion equation
104,580.90 : 156,871.35 = 97,363.80 : x - Step 2: Convert to fraction form
104,580.90/156,871.35 = 97,363.80/x - Step 3: Cross multiply
104,580.90x = 156,871.35 × 97,363.80 - Step 4: Simplify right side
104,580.90x = 15,273,590,747.13 - Step 5: Solve for x
x = 15,273,590,747.13/104,580.90 - Step 6: Final answer
x = 146,045.70
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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.