Finding the Fourth Proportional to 438,673.62, 605,364.93 and 247,675.62
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Solution
The fourth proportional to 438,673.62, 605,364.93 and 247,675.62 is: 341,789.72
Step by Step Solution
- Step 1: Write the proportion equation
438,673.62 : 605,364.93 = 247,675.62 : x - Step 2: Convert to fraction form
438,673.62/605,364.93 = 247,675.62/x - Step 3: Cross multiply
438,673.62x = 605,364.93 × 247,675.62 - Step 4: Simplify right side
438,673.62x = 149,934,134,364.01 - Step 5: Solve for x
x = 149,934,134,364.01/438,673.62 - Step 6: Final answer
x = 341,789.72
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1.5x scale
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.