Finding the Fourth Proportional to 455,271.48, 682,316.70 and 305,287.02
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Solution
The fourth proportional to 455,271.48, 682,316.70 and 305,287.02 is: 457,534.55
Step by Step Solution
- Step 1: Write the proportion equation
455,271.48 : 682,316.70 = 305,287.02 : x - Step 2: Convert to fraction form
455,271.48/682,316.70 = 305,287.02/x - Step 3: Cross multiply
455,271.48x = 682,316.70 × 305,287.02 - Step 4: Simplify right side
455,271.48x = 208,302,432,039.23 - Step 5: Solve for x
x = 208,302,432,039.23/455,271.48 - Step 6: Final answer
x = 457,534.55
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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.