Finding the Fourth Proportional to 380,316.41, 524,831.76 and 219,186.47
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Solution
The fourth proportional to 380,316.41, 524,831.76 and 219,186.47 is: 302,474.50
Step by Step Solution
- Step 1: Write the proportion equation
380,316.41 : 524,831.76 = 219,186.47 : x - Step 2: Convert to fraction form
380,316.41/524,831.76 = 219,186.47/x - Step 3: Cross multiply
380,316.41x = 524,831.76 × 219,186.47 - Step 4: Simplify right side
380,316.41x = 115,036,018,194.13 - Step 5: Solve for x
x = 115,036,018,194.13/380,316.41 - Step 6: Final answer
x = 302,474.50
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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.