Finding the Fourth Proportional to 149,836.84, 206,726.86 and 106,823.33
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Solution
The fourth proportional to 149,836.84, 206,726.86 and 106,823.33 is: 147,381.99
Step by Step Solution
- Step 1: Write the proportion equation
149,836.84 : 206,726.86 = 106,823.33 : x - Step 2: Convert to fraction form
149,836.84/206,726.86 = 106,823.33/x - Step 3: Cross multiply
149,836.84x = 206,726.86 × 106,823.33 - Step 4: Simplify right side
149,836.84x = 22,083,251,741.74 - Step 5: Solve for x
x = 22,083,251,741.74/149,836.84 - Step 6: Final answer
x = 147,381.99
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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.