Finding the Fourth Proportional to 276,392.28, 413,924.05 and 157,703.79
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Solution
The fourth proportional to 276,392.28, 413,924.05 and 157,703.79 is: 236,176.61
Step by Step Solution
- Step 1: Write the proportion equation
276,392.28 : 413,924.05 = 157,703.79 : x - Step 2: Convert to fraction form
276,392.28/413,924.05 = 157,703.79/x - Step 3: Cross multiply
276,392.28x = 413,924.05 × 157,703.79 - Step 4: Simplify right side
276,392.28x = 65,277,391,457.15 - Step 5: Solve for x
x = 65,277,391,457.15/276,392.28 - Step 6: Final answer
x = 236,176.61
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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.