Finding the Fourth Proportional to 330,159.84, 455,614.23 and 194,208.63
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Solution
The fourth proportional to 330,159.84, 455,614.23 and 194,208.63 is: 268,004.17
Step by Step Solution
- Step 1: Write the proportion equation
330,159.84 : 455,614.23 = 194,208.63 : x - Step 2: Convert to fraction form
330,159.84/455,614.23 = 194,208.63/x - Step 3: Cross multiply
330,159.84x = 455,614.23 × 194,208.63 - Step 4: Simplify right side
330,159.84x = 88,484,215,416.80 - Step 5: Solve for x
x = 88,484,215,416.80/330,159.84 - Step 6: Final answer
x = 268,004.17
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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.