Finding the Fourth Proportional to 429,349.04, 644,132.98 and 192,781.24
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Solution
The fourth proportional to 429,349.04, 644,132.98 and 192,781.24 is: 289,220.99
Step by Step Solution
- Step 1: Write the proportion equation
429,349.04 : 644,132.98 = 192,781.24 : x - Step 2: Convert to fraction form
429,349.04/644,132.98 = 192,781.24/x - Step 3: Cross multiply
429,349.04x = 644,132.98 × 192,781.24 - Step 4: Simplify right side
429,349.04x = 124,176,754,609.30 - Step 5: Solve for x
x = 124,176,754,609.30/429,349.04 - Step 6: Final answer
x = 289,220.99
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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.