Finding the Fourth Proportional to 185,712.84, 278,605.25 and 79,094.99
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Solution
The fourth proportional to 185,712.84, 278,605.25 and 79,094.99 is: 118,657.80
Step by Step Solution
- Step 1: Write the proportion equation
185,712.84 : 278,605.25 = 79,094.99 : x - Step 2: Convert to fraction form
185,712.84/278,605.25 = 79,094.99/x - Step 3: Cross multiply
185,712.84x = 278,605.25 × 79,094.99 - Step 4: Simplify right side
185,712.84x = 22,036,277,674.20 - Step 5: Solve for x
x = 22,036,277,674.20/185,712.84 - Step 6: Final answer
x = 118,657.80
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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.