Finding the Fourth Proportional to 829,272.48, 1,243,769.99 and 230,294.19
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Solution
The fourth proportional to 829,272.48, 1,243,769.99 and 230,294.19 is: 345,402.75
Step by Step Solution
- Step 1: Write the proportion equation
829,272.48 : 1,243,769.99 = 230,294.19 : x - Step 2: Convert to fraction form
829,272.48/1,243,769.99 = 230,294.19/x - Step 3: Cross multiply
829,272.48x = 1,243,769.99 × 230,294.19 - Step 4: Simplify right side
829,272.48x = 286,432,998,909.82 - Step 5: Solve for x
x = 286,432,998,909.82/829,272.48 - Step 6: Final answer
x = 345,402.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.