Finding the Fourth Proportional to 248,181.84, 342,490.68 and 135,004.32
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Solution
The fourth proportional to 248,181.84, 342,490.68 and 135,004.32 is: 186,305.82
Step by Step Solution
- Step 1: Write the proportion equation
248,181.84 : 342,490.68 = 135,004.32 : x - Step 2: Convert to fraction form
248,181.84/342,490.68 = 135,004.32/x - Step 3: Cross multiply
248,181.84x = 342,490.68 × 135,004.32 - Step 4: Simplify right side
248,181.84x = 46,237,721,359.74 - Step 5: Solve for x
x = 46,237,721,359.74/248,181.84 - Step 6: Final answer
x = 186,305.82
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1.5x scale
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.