Finding the Fourth Proportional to 319,221.84, 440,529.12 and 175,987.02
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Solution
The fourth proportional to 319,221.84, 440,529.12 and 175,987.02 is: 242,863.73
Step by Step Solution
- Step 1: Write the proportion equation
319,221.84 : 440,529.12 = 175,987.02 : x - Step 2: Convert to fraction form
319,221.84/440,529.12 = 175,987.02/x - Step 3: Cross multiply
319,221.84x = 440,529.12 × 175,987.02 - Step 4: Simplify right side
319,221.84x = 77,527,407,052.02 - Step 5: Solve for x
x = 77,527,407,052.02/319,221.84 - Step 6: Final answer
x = 242,863.73
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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.