Finding the Fourth Proportional to 647,950.56, 971,860.21 and 174,683.76
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Solution
The fourth proportional to 647,950.56, 971,860.21 and 174,683.76 is: 262,007.95
Step by Step Solution
- Step 1: Write the proportion equation
647,950.56 : 971,860.21 = 174,683.76 : x - Step 2: Convert to fraction form
647,950.56/971,860.21 = 174,683.76/x - Step 3: Cross multiply
647,950.56x = 971,860.21 × 174,683.76 - Step 4: Simplify right side
647,950.56x = 169,768,195,677.19 - Step 5: Solve for x
x = 169,768,195,677.19/647,950.56 - Step 6: Final answer
x = 262,007.95
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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.