Finding the Fourth Proportional to 321,857.84, 482,831.86 and 97,192.79
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Solution
The fourth proportional to 321,857.84, 482,831.86 and 97,192.79 is: 145,802.81
Step by Step Solution
- Step 1: Write the proportion equation
321,857.84 : 482,831.86 = 97,192.79 : x - Step 2: Convert to fraction form
321,857.84/482,831.86 = 97,192.79/x - Step 3: Cross multiply
321,857.84x = 482,831.86 × 97,192.79 - Step 4: Simplify right side
321,857.84x = 46,927,776,538.39 - Step 5: Solve for x
x = 46,927,776,538.39/321,857.84 - Step 6: Final answer
x = 145,802.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.