Finding the Fourth Proportional to 230,892.99, 318,685.44 and 135,430.44
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Solution
The fourth proportional to 230,892.99, 318,685.44 and 135,430.44 is: 186,925.16
Step by Step Solution
- Step 1: Write the proportion equation
230,892.99 : 318,685.44 = 135,430.44 : x - Step 2: Convert to fraction form
230,892.99/318,685.44 = 135,430.44/x - Step 3: Cross multiply
230,892.99x = 318,685.44 × 135,430.44 - Step 4: Simplify right side
230,892.99x = 43,159,709,360.79 - Step 5: Solve for x
x = 43,159,709,360.79/230,892.99 - Step 6: Final answer
x = 186,925.16
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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.