Finding the Fourth Proportional to 377,201.61, 520,527.84 and 207,435.74
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Solution
The fourth proportional to 377,201.61, 520,527.84 and 207,435.74 is: 286,255.61
Step by Step Solution
- Step 1: Write the proportion equation
377,201.61 : 520,527.84 = 207,435.74 : x - Step 2: Convert to fraction form
377,201.61/520,527.84 = 207,435.74/x - Step 3: Cross multiply
377,201.61x = 520,527.84 × 207,435.74 - Step 4: Simplify right side
377,201.61x = 107,976,077,681.00 - Step 5: Solve for x
x = 107,976,077,681.00/377,201.61 - Step 6: Final answer
x = 286,255.61
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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.