Finding the Fourth Proportional to 101,515.68, 152,226.14 and 38,287.08
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Solution
The fourth proportional to 101,515.68, 152,226.14 and 38,287.08 is: 57,412.75
Step by Step Solution
- Step 1: Write the proportion equation
101,515.68 : 152,226.14 = 38,287.08 : x - Step 2: Convert to fraction form
101,515.68/152,226.14 = 38,287.08/x - Step 3: Cross multiply
101,515.68x = 152,226.14 × 38,287.08 - Step 4: Simplify right side
101,515.68x = 5,828,294,208.84 - Step 5: Solve for x
x = 5,828,294,208.84/101,515.68 - Step 6: Final answer
x = 57,412.75
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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.