Finding the Fourth Proportional to 178,778.24, 246,701.76 and 98,209.20
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Solution
The fourth proportional to 178,778.24, 246,701.76 and 98,209.20 is: 135,521.99
Step by Step Solution
- Step 1: Write the proportion equation
178,778.24 : 246,701.76 = 98,209.20 : x - Step 2: Convert to fraction form
178,778.24/246,701.76 = 98,209.20/x - Step 3: Cross multiply
178,778.24x = 246,701.76 × 98,209.20 - Step 4: Simplify right side
178,778.24x = 24,228,382,488.19 - Step 5: Solve for x
x = 24,228,382,488.19/178,778.24 - Step 6: Final answer
x = 135,521.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.