Finding the Fourth Proportional to 429,674.69, 644,544.84 and 130,180.08
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Solution
The fourth proportional to 429,674.69, 644,544.84 and 130,180.08 is: 195,280.06
Step by Step Solution
- Step 1: Write the proportion equation
429,674.69 : 644,544.84 = 130,180.08 : x - Step 2: Convert to fraction form
429,674.69/644,544.84 = 130,180.08/x - Step 3: Cross multiply
429,674.69x = 644,544.84 × 130,180.08 - Step 4: Simplify right side
429,674.69x = 83,906,898,834.79 - Step 5: Solve for x
x = 83,906,898,834.79/429,674.69 - Step 6: Final answer
x = 195,280.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.