Finding the Fourth Proportional to 449,831.70, 674,747.55 and 117,407.70
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Solution
The fourth proportional to 449,831.70, 674,747.55 and 117,407.70 is: 176,111.55
Step by Step Solution
- Step 1: Write the proportion equation
449,831.70 : 674,747.55 = 117,407.70 : x - Step 2: Convert to fraction form
449,831.70/674,747.55 = 117,407.70/x - Step 3: Cross multiply
449,831.70x = 674,747.55 × 117,407.70 - Step 4: Simplify right side
449,831.70x = 79,220,557,926.14 - Step 5: Solve for x
x = 79,220,557,926.14/449,831.70 - Step 6: Final answer
x = 176,111.55
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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.