Finding the Fourth Proportional to 319,115.79, 440,371.13 and 175,875.80
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Solution
The fourth proportional to 319,115.79, 440,371.13 and 175,875.80 is: 242,703.82
Step by Step Solution
- Step 1: Write the proportion equation
319,115.79 : 440,371.13 = 175,875.80 : x - Step 2: Convert to fraction form
319,115.79/440,371.13 = 175,875.80/x - Step 3: Cross multiply
319,115.79x = 440,371.13 × 175,875.80 - Step 4: Simplify right side
319,115.79x = 77,450,621,704.42 - Step 5: Solve for x
x = 77,450,621,704.42/319,115.79 - Step 6: Final answer
x = 242,703.82
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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.