Finding the Fourth Proportional to 490,329.88, 735,537.05 and 135,343.91
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Solution
The fourth proportional to 490,329.88, 735,537.05 and 135,343.91 is: 203,027.53
Step by Step Solution
- Step 1: Write the proportion equation
490,329.88 : 735,537.05 = 135,343.91 : x - Step 2: Convert to fraction form
490,329.88/735,537.05 = 135,343.91/x - Step 3: Cross multiply
490,329.88x = 735,537.05 × 135,343.91 - Step 4: Simplify right side
490,329.88x = 99,550,461,966.53 - Step 5: Solve for x
x = 99,550,461,966.53/490,329.88 - Step 6: Final answer
x = 203,027.53
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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.