Finding the Fourth Proportional to 834,751.05, 1,251,711.95 and 266,058.15
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Solution
The fourth proportional to 834,751.05, 1,251,711.95 and 266,058.15 is: 398,955.07
Step by Step Solution
- Step 1: Write the proportion equation
834,751.05 : 1,251,711.95 = 266,058.15 : x - Step 2: Convert to fraction form
834,751.05/1,251,711.95 = 266,058.15/x - Step 3: Cross multiply
834,751.05x = 1,251,711.95 × 266,058.15 - Step 4: Simplify right side
834,751.05x = 333,028,158,161.04 - Step 5: Solve for x
x = 333,028,158,161.04/834,751.05 - Step 6: Final answer
x = 398,955.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.