Finding the Fourth Proportional to 829,097.48, 1,243,507.10 and 230,119.49
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Solution
The fourth proportional to 829,097.48, 1,243,507.10 and 230,119.49 is: 345,140.61
Step by Step Solution
- Step 1: Write the proportion equation
829,097.48 : 1,243,507.10 = 230,119.49 : x - Step 2: Convert to fraction form
829,097.48/1,243,507.10 = 230,119.49/x - Step 3: Cross multiply
829,097.48x = 1,243,507.10 × 230,119.49 - Step 4: Simplify right side
829,097.48x = 286,155,212,295.25 - Step 5: Solve for x
x = 286,155,212,295.25/829,097.48 - Step 6: Final answer
x = 345,140.61
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1.5x scale
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.