Finding the Fourth Proportional to 484,641.93, 668,868.66 and 277,990.95
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Solution
The fourth proportional to 484,641.93, 668,868.66 and 277,990.95 is: 383,663.53
Step by Step Solution
- Step 1: Write the proportion equation
484,641.93 : 668,868.66 = 277,990.95 : x - Step 2: Convert to fraction form
484,641.93/668,868.66 = 277,990.95/x - Step 3: Cross multiply
484,641.93x = 668,868.66 × 277,990.95 - Step 4: Simplify right side
484,641.93x = 185,939,434,218.63 - Step 5: Solve for x
x = 185,939,434,218.63/484,641.93 - Step 6: Final answer
x = 383,663.53
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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.