Finding the Fourth Proportional to 266,998.26, 400,654.94 and 98,637.74
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Solution
The fourth proportional to 266,998.26, 400,654.94 and 98,637.74 is: 148,014.80
Step by Step Solution
- Step 1: Write the proportion equation
266,998.26 : 400,654.94 = 98,637.74 : x - Step 2: Convert to fraction form
266,998.26/400,654.94 = 98,637.74/x - Step 3: Cross multiply
266,998.26x = 400,654.94 × 98,637.74 - Step 4: Simplify right side
266,998.26x = 39,519,695,304.97 - Step 5: Solve for x
x = 39,519,695,304.97/266,998.26 - Step 6: Final answer
x = 148,014.80
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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.