Finding the Fourth Proportional to 114,021.70, 171,032.55 and 47,439.70
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Solution
The fourth proportional to 114,021.70, 171,032.55 and 47,439.70 is: 71,159.55
Step by Step Solution
- Step 1: Write the proportion equation
114,021.70 : 171,032.55 = 47,439.70 : x - Step 2: Convert to fraction form
114,021.70/171,032.55 = 47,439.70/x - Step 3: Cross multiply
114,021.70x = 171,032.55 × 47,439.70 - Step 4: Simplify right side
114,021.70x = 8,113,732,862.24 - Step 5: Solve for x
x = 8,113,732,862.24/114,021.70 - Step 6: Final answer
x = 71,159.55
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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.