Finding the Fourth Proportional to 486,784.08, 671,760.36 and 268,986.69
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Solution
The fourth proportional to 486,784.08, 671,760.36 and 268,986.69 is: 371,200.71
Step by Step Solution
- Step 1: Write the proportion equation
486,784.08 : 671,760.36 = 268,986.69 : x - Step 2: Convert to fraction form
486,784.08/671,760.36 = 268,986.69/x - Step 3: Cross multiply
486,784.08x = 671,760.36 × 268,986.69 - Step 4: Simplify right side
486,784.08x = 180,694,596,466.13 - Step 5: Solve for x
x = 180,694,596,466.13/486,784.08 - Step 6: Final answer
x = 371,200.71
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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.