Finding the Fourth Proportional to 250,133.93, 345,184.40 and 135,412.53
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Solution
The fourth proportional to 250,133.93, 345,184.40 and 135,412.53 is: 186,869.06
Step by Step Solution
- Step 1: Write the proportion equation
250,133.93 : 345,184.40 = 135,412.53 : x - Step 2: Convert to fraction form
250,133.93/345,184.40 = 135,412.53/x - Step 3: Cross multiply
250,133.93x = 345,184.40 × 135,412.53 - Step 4: Simplify right side
250,133.93x = 46,742,293,182.75 - Step 5: Solve for x
x = 46,742,293,182.75/250,133.93 - Step 6: Final answer
x = 186,869.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.