Finding the Fourth Proportional to 455,295.47, 628,309.10 and 248,564.19
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Solution
The fourth proportional to 455,295.47, 628,309.10 and 248,564.19 is: 343,019.33
Step by Step Solution
- Step 1: Write the proportion equation
455,295.47 : 628,309.10 = 248,564.19 : x - Step 2: Convert to fraction form
455,295.47/628,309.10 = 248,564.19/x - Step 3: Cross multiply
455,295.47x = 628,309.10 × 248,564.19 - Step 4: Simplify right side
455,295.47x = 156,175,145,488.70 - Step 5: Solve for x
x = 156,175,145,488.70/455,295.47 - Step 6: Final answer
x = 343,019.33
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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.