Finding the Fourth Proportional to 402,485.18, 603,748.43 and 102,968.34
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Solution
The fourth proportional to 402,485.18, 603,748.43 and 102,968.34 is: 154,457.80
Step by Step Solution
- Step 1: Write the proportion equation
402,485.18 : 603,748.43 = 102,968.34 : x - Step 2: Convert to fraction form
402,485.18/603,748.43 = 102,968.34/x - Step 3: Cross multiply
402,485.18x = 603,748.43 × 102,968.34 - Step 4: Simplify right side
402,485.18x = 62,166,973,872.13 - Step 5: Solve for x
x = 62,166,973,872.13/402,485.18 - Step 6: Final answer
x = 154,457.80
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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.