Finding the Fourth Proportional to 276,762.29, 413,627.06 and 202,039.79
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Solution
The fourth proportional to 276,762.29, 413,627.06 and 202,039.79 is: 301,952.71
Step by Step Solution
- Step 1: Write the proportion equation
276,762.29 : 413,627.06 = 202,039.79 : x - Step 2: Convert to fraction form
276,762.29/413,627.06 = 202,039.79/x - Step 3: Cross multiply
276,762.29x = 413,627.06 × 202,039.79 - Step 4: Simplify right side
276,762.29x = 83,569,121,641.21 - Step 5: Solve for x
x = 83,569,121,641.21/276,762.29 - Step 6: Final answer
x = 301,952.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.