Finding the Fourth Proportional to 484,726.12, 668,920.62 and 269,860.66
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Solution
The fourth proportional to 484,726.12, 668,920.62 and 269,860.66 is: 372,406.92
Step by Step Solution
- Step 1: Write the proportion equation
484,726.12 : 668,920.62 = 269,860.66 : x - Step 2: Convert to fraction form
484,726.12/668,920.62 = 269,860.66/x - Step 3: Cross multiply
484,726.12x = 668,920.62 × 269,860.66 - Step 4: Simplify right side
484,726.12x = 180,515,360,000.81 - Step 5: Solve for x
x = 180,515,360,000.81/484,726.12 - Step 6: Final answer
x = 372,406.92
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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.