Finding the Fourth Proportional to 377,690.76, 521,212.86 and 207,925.02
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Solution
The fourth proportional to 377,690.76, 521,212.86 and 207,925.02 is: 286,936.31
Step by Step Solution
- Step 1: Write the proportion equation
377,690.76 : 521,212.86 = 207,925.02 : x - Step 2: Convert to fraction form
377,690.76/521,212.86 = 207,925.02/x - Step 3: Cross multiply
377,690.76x = 521,212.86 × 207,925.02 - Step 4: Simplify right side
377,690.76x = 108,373,194,339.76 - Step 5: Solve for x
x = 108,373,194,339.76/377,690.76 - Step 6: Final answer
x = 286,936.31
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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.