Finding the Fourth Proportional to 329,859.09, 454,970.83 and 302,722.83
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Solution
The fourth proportional to 329,859.09, 454,970.83 and 302,722.83 is: 417,542.09
Step by Step Solution
- Step 1: Write the proportion equation
329,859.09 : 454,970.83 = 302,722.83 : x - Step 2: Convert to fraction form
329,859.09/454,970.83 = 302,722.83/x - Step 3: Cross multiply
329,859.09x = 454,970.83 × 302,722.83 - Step 4: Simplify right side
329,859.09x = 137,730,056,607.65 - Step 5: Solve for x
x = 137,730,056,607.65/329,859.09 - Step 6: Final answer
x = 417,542.09
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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.