Finding the Fourth Proportional to 358,448.67, 537,674.49 and 145,220.70
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Solution
The fourth proportional to 358,448.67, 537,674.49 and 145,220.70 is: 217,831.65
Step by Step Solution
- Step 1: Write the proportion equation
358,448.67 : 537,674.49 = 145,220.70 : x - Step 2: Convert to fraction form
358,448.67/537,674.49 = 145,220.70/x - Step 3: Cross multiply
358,448.67x = 537,674.49 × 145,220.70 - Step 4: Simplify right side
358,448.67x = 78,081,465,809.94 - Step 5: Solve for x
x = 78,081,465,809.94/358,448.67 - Step 6: Final answer
x = 217,831.65
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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.