Finding the Fourth Proportional to 318,026.40, 438,884.48 and 174,790.08
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Solution
The fourth proportional to 318,026.40, 438,884.48 and 174,790.08 is: 241,214.73
Step by Step Solution
- Step 1: Write the proportion equation
318,026.40 : 438,884.48 = 174,790.08 : x - Step 2: Convert to fraction form
318,026.40/438,884.48 = 174,790.08/x - Step 3: Cross multiply
318,026.40x = 438,884.48 × 174,790.08 - Step 4: Simplify right side
318,026.40x = 76,712,653,369.96 - Step 5: Solve for x
x = 76,712,653,369.96/318,026.40 - Step 6: Final answer
x = 241,214.73
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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.