Finding the Fourth Proportional to 195,607.98, 269,920.35 and 155,419.02
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Solution
The fourth proportional to 195,607.98, 269,920.35 and 155,419.02 is: 214,463.42
Step by Step Solution
- Step 1: Write the proportion equation
195,607.98 : 269,920.35 = 155,419.02 : x - Step 2: Convert to fraction form
195,607.98/269,920.35 = 155,419.02/x - Step 3: Cross multiply
195,607.98x = 269,920.35 × 155,419.02 - Step 4: Simplify right side
195,607.98x = 41,950,756,275.06 - Step 5: Solve for x
x = 41,950,756,275.06/195,607.98 - Step 6: Final answer
x = 214,463.42
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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.