Finding the Fourth Proportional to 246,385.81, 340,023.99 and 138,953.62
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Solution
The fourth proportional to 246,385.81, 340,023.99 and 138,953.62 is: 191,762.52
Step by Step Solution
- Step 1: Write the proportion equation
246,385.81 : 340,023.99 = 138,953.62 : x - Step 2: Convert to fraction form
246,385.81/340,023.99 = 138,953.62/x - Step 3: Cross multiply
246,385.81x = 340,023.99 × 138,953.62 - Step 4: Simplify right side
246,385.81x = 47,247,564,297.34 - Step 5: Solve for x
x = 47,247,564,297.34/246,385.81 - Step 6: Final answer
x = 191,762.52
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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.