Finding the Fourth Proportional to 195,038.21, 292,542.72 and 70,379.21
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Solution
The fourth proportional to 195,038.21, 292,542.72 and 70,379.21 is: 105,563.54
Step by Step Solution
- Step 1: Write the proportion equation
195,038.21 : 292,542.72 = 70,379.21 : x - Step 2: Convert to fraction form
195,038.21/292,542.72 = 70,379.21/x - Step 3: Cross multiply
195,038.21x = 292,542.72 × 70,379.21 - Step 4: Simplify right side
195,038.21x = 20,588,924,062.14 - Step 5: Solve for x
x = 20,588,924,062.14/195,038.21 - Step 6: Final answer
x = 105,563.54
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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.