Finding the Fourth Proportional to 536,642.69, 804,955.79 and 137,280.08
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Solution
The fourth proportional to 536,642.69, 804,955.79 and 137,280.08 is: 205,918.02
Step by Step Solution
- Step 1: Write the proportion equation
536,642.69 : 804,955.79 = 137,280.08 : x - Step 2: Convert to fraction form
536,642.69/804,955.79 = 137,280.08/x - Step 3: Cross multiply
536,642.69x = 804,955.79 × 137,280.08 - Step 4: Simplify right side
536,642.69x = 110,504,397,603.25 - Step 5: Solve for x
x = 110,504,397,603.25/536,642.69 - Step 6: Final answer
x = 205,918.02
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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.