Finding the Fourth Proportional to 243,027.80, 364,541.70 and 138,051.80
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Solution
The fourth proportional to 243,027.80, 364,541.70 and 138,051.80 is: 207,077.70
Step by Step Solution
- Step 1: Write the proportion equation
243,027.80 : 364,541.70 = 138,051.80 : x - Step 2: Convert to fraction form
243,027.80/364,541.70 = 138,051.80/x - Step 3: Cross multiply
243,027.80x = 364,541.70 × 138,051.80 - Step 4: Simplify right side
243,027.80x = 50,325,637,860.06 - Step 5: Solve for x
x = 50,325,637,860.06/243,027.80 - Step 6: Final answer
x = 207,077.70
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1.5x scale
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.