Finding the Fourth Proportional to 190,666.00, 286,074.33 and 72,368.74
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Solution
The fourth proportional to 190,666.00, 286,074.33 and 72,368.74 is: 108,581.70
Step by Step Solution
- Step 1: Write the proportion equation
190,666.00 : 286,074.33 = 72,368.74 : x - Step 2: Convert to fraction form
190,666.00/286,074.33 = 72,368.74/x - Step 3: Cross multiply
190,666.00x = 286,074.33 × 72,368.74 - Step 4: Simplify right side
190,666.00x = 20,702,837,016.23 - Step 5: Solve for x
x = 20,702,837,016.23/190,666.00 - Step 6: Final answer
x = 108,581.70
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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.