Finding the Fourth Proportional to 248,982.83, 343,583.48 and 135,783.71
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Solution
The fourth proportional to 248,982.83, 343,583.48 and 135,783.71 is: 187,374.52
Step by Step Solution
- Step 1: Write the proportion equation
248,982.83 : 343,583.48 = 135,783.71 : x - Step 2: Convert to fraction form
248,982.83/343,583.48 = 135,783.71/x - Step 3: Cross multiply
248,982.83x = 343,583.48 × 135,783.71 - Step 4: Simplify right side
248,982.83x = 46,653,038,930.19 - Step 5: Solve for x
x = 46,653,038,930.19/248,982.83 - Step 6: Final answer
x = 187,374.52
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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.