Finding the Fourth Proportional to 452,919.68, 679,378.72 and 120,495.68
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Solution
The fourth proportional to 452,919.68, 679,378.72 and 120,495.68 is: 180,743.31
Step by Step Solution
- Step 1: Write the proportion equation
452,919.68 : 679,378.72 = 120,495.68 : x - Step 2: Convert to fraction form
452,919.68/679,378.72 = 120,495.68/x - Step 3: Cross multiply
452,919.68x = 679,378.72 × 120,495.68 - Step 4: Simplify right side
452,919.68x = 81,862,200,843.93 - Step 5: Solve for x
x = 81,862,200,843.93/452,919.68 - Step 6: Final answer
x = 180,743.31
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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.