Finding the Fourth Proportional to 245,773.96, 368,660.60 and 77,309.08
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Solution
The fourth proportional to 245,773.96, 368,660.60 and 77,309.08 is: 115,963.51
Step by Step Solution
- Step 1: Write the proportion equation
245,773.96 : 368,660.60 = 77,309.08 : x - Step 2: Convert to fraction form
245,773.96/368,660.60 = 77,309.08/x - Step 3: Cross multiply
245,773.96x = 368,660.60 × 77,309.08 - Step 4: Simplify right side
245,773.96x = 28,500,811,818.25 - Step 5: Solve for x
x = 28,500,811,818.25/245,773.96 - Step 6: Final answer
x = 115,963.51
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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.