Finding the Fourth Proportional to 251,953.24, 347,695.44 and 138,775.99
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Solution
The fourth proportional to 251,953.24, 347,695.44 and 138,775.99 is: 191,510.85
Step by Step Solution
- Step 1: Write the proportion equation
251,953.24 : 347,695.44 = 138,775.99 : x - Step 2: Convert to fraction form
251,953.24/347,695.44 = 138,775.99/x - Step 3: Cross multiply
251,953.24x = 347,695.44 × 138,775.99 - Step 4: Simplify right side
251,953.24x = 48,251,778,904.49 - Step 5: Solve for x
x = 48,251,778,904.49/251,953.24 - Step 6: Final answer
x = 191,510.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.