Finding the Fourth Proportional to 292,529.55, 438,695.49 and 82,117.47
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Solution
The fourth proportional to 292,529.55, 438,695.49 and 82,117.47 is: 123,148.46
Step by Step Solution
- Step 1: Write the proportion equation
292,529.55 : 438,695.49 = 82,117.47 : x - Step 2: Convert to fraction form
292,529.55/438,695.49 = 82,117.47/x - Step 3: Cross multiply
292,529.55x = 438,695.49 × 82,117.47 - Step 4: Simplify right side
292,529.55x = 36,024,563,739.21 - Step 5: Solve for x
x = 36,024,563,739.21/292,529.55 - Step 6: Final answer
x = 123,148.46
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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.