Finding the Fourth Proportional to 452,605.30, 678,907.84 and 115,646.58
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Solution
The fourth proportional to 452,605.30, 678,907.84 and 115,646.58 is: 173,469.84
Step by Step Solution
- Step 1: Write the proportion equation
452,605.30 : 678,907.84 = 115,646.58 : x - Step 2: Convert to fraction form
452,605.30/678,907.84 = 115,646.58/x - Step 3: Cross multiply
452,605.30x = 678,907.84 × 115,646.58 - Step 4: Simplify right side
452,605.30x = 78,513,369,831.19 - Step 5: Solve for x
x = 78,513,369,831.19/452,605.30 - Step 6: Final answer
x = 173,469.84
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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.