Finding the Fourth Proportional to 293,215.43, 439,831.34 and 103,649.00
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Solution
The fourth proportional to 293,215.43, 439,831.34 and 103,649.00 is: 155,476.39
Step by Step Solution
- Step 1: Write the proportion equation
293,215.43 : 439,831.34 = 103,649.00 : x - Step 2: Convert to fraction form
293,215.43/439,831.34 = 103,649.00/x - Step 3: Cross multiply
293,215.43x = 439,831.34 × 103,649.00 - Step 4: Simplify right side
293,215.43x = 45,588,075,842.26 - Step 5: Solve for x
x = 45,588,075,842.26/293,215.43 - Step 6: Final answer
x = 155,476.39
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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.