Finding the Fourth Proportional to 178,973.24, 246,976.76 and 98,400.14
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Solution
The fourth proportional to 178,973.24, 246,976.76 and 98,400.14 is: 135,788.72
Step by Step Solution
- Step 1: Write the proportion equation
178,973.24 : 246,976.76 = 98,400.14 : x - Step 2: Convert to fraction form
178,973.24/246,976.76 = 98,400.14/x - Step 3: Cross multiply
178,973.24x = 246,976.76 × 98,400.14 - Step 4: Simplify right side
178,973.24x = 24,302,547,760.75 - Step 5: Solve for x
x = 24,302,547,760.75/178,973.24 - Step 6: Final answer
x = 135,788.72
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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.