Finding the Fourth Proportional to 318,962.14, 440,187.62 and 175,722.14
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Solution
The fourth proportional to 318,962.14, 440,187.62 and 175,722.14 is: 242,507.50
Step by Step Solution
- Step 1: Write the proportion equation
318,962.14 : 440,187.62 = 175,722.14 : x - Step 2: Convert to fraction form
318,962.14/440,187.62 = 175,722.14/x - Step 3: Cross multiply
318,962.14x = 440,187.62 × 175,722.14 - Step 4: Simplify right side
318,962.14x = 77,350,710,809.77 - Step 5: Solve for x
x = 77,350,710,809.77/318,962.14 - Step 6: Final answer
x = 242,507.50
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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.