Finding the Fourth Proportional to 220,345.44, 304,051.98 and 124,831.68
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Solution
The fourth proportional to 220,345.44, 304,051.98 and 124,831.68 is: 172,253.71
Step by Step Solution
- Step 1: Write the proportion equation
220,345.44 : 304,051.98 = 124,831.68 : x - Step 2: Convert to fraction form
220,345.44/304,051.98 = 124,831.68/x - Step 3: Cross multiply
220,345.44x = 304,051.98 × 124,831.68 - Step 4: Simplify right side
220,345.44x = 37,955,319,470.73 - Step 5: Solve for x
x = 37,955,319,470.73/220,345.44 - Step 6: Final answer
x = 172,253.71
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1.5x scale
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.