Finding the Fourth Proportional to 251,410.28, 346,952.12 and 136,695.48
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Solution
The fourth proportional to 251,410.28, 346,952.12 and 136,695.48 is: 188,642.99
Step by Step Solution
- Step 1: Write the proportion equation
251,410.28 : 346,952.12 = 136,695.48 : x - Step 2: Convert to fraction form
251,410.28/346,952.12 = 136,695.48/x - Step 3: Cross multiply
251,410.28x = 346,952.12 × 136,695.48 - Step 4: Simplify right side
251,410.28x = 47,426,786,580.42 - Step 5: Solve for x
x = 47,426,786,580.42/251,410.28 - Step 6: Final answer
x = 188,642.99
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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.