Finding the Fourth Proportional to 829,276.48, 1,243,775.97 and 230,298.19
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Solution
The fourth proportional to 829,276.48, 1,243,775.97 and 230,298.19 is: 345,408.75
Step by Step Solution
- Step 1: Write the proportion equation
829,276.48 : 1,243,775.97 = 230,298.19 : x - Step 2: Convert to fraction form
829,276.48/1,243,775.97 = 230,298.19/x - Step 3: Cross multiply
829,276.48x = 1,243,775.97 × 230,298.19 - Step 4: Simplify right side
829,276.48x = 286,439,354,656.49 - Step 5: Solve for x
x = 286,439,354,656.49/829,276.48 - Step 6: Final answer
x = 345,408.75
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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.