Finding the Fourth Proportional to 187,309.24, 280,964.18 and 76,501.24
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Solution
The fourth proportional to 187,309.24, 280,964.18 and 76,501.24 is: 114,751.99
Step by Step Solution
- Step 1: Write the proportion equation
187,309.24 : 280,964.18 = 76,501.24 : x - Step 2: Convert to fraction form
187,309.24/280,964.18 = 76,501.24/x - Step 3: Cross multiply
187,309.24x = 280,964.18 × 76,501.24 - Step 4: Simplify right side
187,309.24x = 21,494,108,165.58 - Step 5: Solve for x
x = 21,494,108,165.58/187,309.24 - Step 6: Final answer
x = 114,751.99
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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.