Finding the Fourth Proportional to 487,829.40, 731,756.94 and 132,850.68
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Solution
The fourth proportional to 487,829.40, 731,756.94 and 132,850.68 is: 199,279.52
Step by Step Solution
- Step 1: Write the proportion equation
487,829.40 : 731,756.94 = 132,850.68 : x - Step 2: Convert to fraction form
487,829.40/731,756.94 = 132,850.68/x - Step 3: Cross multiply
487,829.40x = 731,756.94 × 132,850.68 - Step 4: Simplify right side
487,829.40x = 97,214,407,073.72 - Step 5: Solve for x
x = 97,214,407,073.72/487,829.40 - Step 6: Final answer
x = 199,279.52
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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.