Finding the Fourth Proportional to 134,412.70, 201,619.05 and 40,918.30
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Solution
The fourth proportional to 134,412.70, 201,619.05 and 40,918.30 is: 61,377.45
Step by Step Solution
- Step 1: Write the proportion equation
134,412.70 : 201,619.05 = 40,918.30 : x - Step 2: Convert to fraction form
134,412.70/201,619.05 = 40,918.30/x - Step 3: Cross multiply
134,412.70x = 201,619.05 × 40,918.30 - Step 4: Simplify right side
134,412.70x = 8,249,908,773.62 - Step 5: Solve for x
x = 8,249,908,773.62/134,412.70 - Step 6: Final answer
x = 61,377.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.