Finding the Fourth Proportional to 493,877.36, 740,307.54 and 194,236.46
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Solution
The fourth proportional to 493,877.36, 740,307.54 and 194,236.46 is: 291,154.70
Step by Step Solution
- Step 1: Write the proportion equation
493,877.36 : 740,307.54 = 194,236.46 : x - Step 2: Convert to fraction form
493,877.36/740,307.54 = 194,236.46/x - Step 3: Cross multiply
493,877.36x = 740,307.54 × 194,236.46 - Step 4: Simplify right side
493,877.36x = 143,794,715,880.91 - Step 5: Solve for x
x = 143,794,715,880.91/493,877.36 - Step 6: Final answer
x = 291,154.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.