Finding the Fourth Proportional to 192,468.15, 265,582.86 and 106,415.49
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Solution
The fourth proportional to 192,468.15, 265,582.86 and 106,415.49 is: 146,840.56
Step by Step Solution
- Step 1: Write the proportion equation
192,468.15 : 265,582.86 = 106,415.49 : x - Step 2: Convert to fraction form
192,468.15/265,582.86 = 106,415.49/x - Step 3: Cross multiply
192,468.15x = 265,582.86 × 106,415.49 - Step 4: Simplify right side
192,468.15x = 28,262,130,182.50 - Step 5: Solve for x
x = 28,262,130,182.50/192,468.15 - Step 6: Final answer
x = 146,840.56
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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.