Finding the Fourth Proportional to 557,983.79, 837,083.42 and 238,130.99
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Solution
The fourth proportional to 557,983.79, 837,083.42 and 238,130.99 is: 357,242.46
Step by Step Solution
- Step 1: Write the proportion equation
557,983.79 : 837,083.42 = 238,130.99 : x - Step 2: Convert to fraction form
557,983.79/837,083.42 = 238,130.99/x - Step 3: Cross multiply
557,983.79x = 837,083.42 × 238,130.99 - Step 4: Simplify right side
557,983.79x = 199,335,503,517.19 - Step 5: Solve for x
x = 199,335,503,517.19/557,983.79 - Step 6: Final answer
x = 357,242.46
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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.