Finding the Fourth Proportional to 230,994.06, 318,777.03 and 135,569.58
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Solution
The fourth proportional to 230,994.06, 318,777.03 and 135,569.58 is: 187,089.09
Step by Step Solution
- Step 1: Write the proportion equation
230,994.06 : 318,777.03 = 135,569.58 : x - Step 2: Convert to fraction form
230,994.06/318,777.03 = 135,569.58/x - Step 3: Cross multiply
230,994.06x = 318,777.03 × 135,569.58 - Step 4: Simplify right side
230,994.06x = 43,216,468,070.75 - Step 5: Solve for x
x = 43,216,468,070.75/230,994.06 - Step 6: Final answer
x = 187,089.09
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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.