Finding the Fourth Proportional to 429,529.10, 644,315.92 and 109,683.99
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Solution
The fourth proportional to 429,529.10, 644,315.92 and 109,683.99 is: 164,531.67
Step by Step Solution
- Step 1: Write the proportion equation
429,529.10 : 644,315.92 = 109,683.99 : x - Step 2: Convert to fraction form
429,529.10/644,315.92 = 109,683.99/x - Step 3: Cross multiply
429,529.10x = 644,315.92 × 109,683.99 - Step 4: Simplify right side
429,529.10x = 70,671,140,651.91 - Step 5: Solve for x
x = 70,671,140,651.91/429,529.10 - Step 6: Final answer
x = 164,531.67
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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.