Finding the Fourth Proportional to 403,751.93, 605,630.18 and 104,212.02
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Solution
The fourth proportional to 403,751.93, 605,630.18 and 104,212.02 is: 156,318.62
Step by Step Solution
- Step 1: Write the proportion equation
403,751.93 : 605,630.18 = 104,212.02 : x - Step 2: Convert to fraction form
403,751.93/605,630.18 = 104,212.02/x - Step 3: Cross multiply
403,751.93x = 605,630.18 × 104,212.02 - Step 4: Simplify right side
403,751.93x = 63,113,943,909.70 - Step 5: Solve for x
x = 63,113,943,909.70/403,751.93 - Step 6: Final answer
x = 156,318.62
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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.