Finding the Fourth Proportional to 459,855.99, 634,656.51 and 278,562.60
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Solution
The fourth proportional to 459,855.99, 634,656.51 and 278,562.60 is: 384,449.85
Step by Step Solution
- Step 1: Write the proportion equation
459,855.99 : 634,656.51 = 278,562.60 : x - Step 2: Convert to fraction form
459,855.99/634,656.51 = 278,562.60/x - Step 3: Cross multiply
459,855.99x = 634,656.51 × 278,562.60 - Step 4: Simplify right side
459,855.99x = 176,791,567,532.53 - Step 5: Solve for x
x = 176,791,567,532.53/459,855.99 - Step 6: Final answer
x = 384,449.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.