Finding the Fourth Proportional to 266,811.06, 368,207.99 and 152,087.62
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Solution
The fourth proportional to 266,811.06, 368,207.99 and 152,087.62 is: 209,885.89
Step by Step Solution
- Step 1: Write the proportion equation
266,811.06 : 368,207.99 = 152,087.62 : x - Step 2: Convert to fraction form
266,811.06/368,207.99 = 152,087.62/x - Step 3: Cross multiply
266,811.06x = 368,207.99 × 152,087.62 - Step 4: Simplify right side
266,811.06x = 55,999,877,704.56 - Step 5: Solve for x
x = 55,999,877,704.56/266,811.06 - Step 6: Final answer
x = 209,885.89
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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.