Finding the Fourth Proportional to 150,558.84, 207,780.66 and 83,490.84
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Solution
The fourth proportional to 150,558.84, 207,780.66 and 83,490.84 is: 115,222.61
Step by Step Solution
- Step 1: Write the proportion equation
150,558.84 : 207,780.66 = 83,490.84 : x - Step 2: Convert to fraction form
150,558.84/207,780.66 = 83,490.84/x - Step 3: Cross multiply
150,558.84x = 207,780.66 × 83,490.84 - Step 4: Simplify right side
150,558.84x = 17,347,781,839.15 - Step 5: Solve for x
x = 17,347,781,839.15/150,558.84 - Step 6: Final answer
x = 115,222.61
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1.5x scale
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.