Finding the Fourth Proportional to 669,853.65, 924,408.53 and 363,936.09
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Solution
The fourth proportional to 669,853.65, 924,408.53 and 363,936.09 is: 502,237.50
Step by Step Solution
- Step 1: Write the proportion equation
669,853.65 : 924,408.53 = 363,936.09 : x - Step 2: Convert to fraction form
669,853.65/924,408.53 = 363,936.09/x - Step 3: Cross multiply
669,853.65x = 924,408.53 × 363,936.09 - Step 4: Simplify right side
669,853.65x = 336,425,624,151.17 - Step 5: Solve for x
x = 336,425,624,151.17/669,853.65 - Step 6: Final answer
x = 502,237.50
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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.