Finding the Fourth Proportional to 185,020.99, 255,335.16 and 113,387.18
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Solution
The fourth proportional to 185,020.99, 255,335.16 and 113,387.18 is: 156,478.09
Step by Step Solution
- Step 1: Write the proportion equation
185,020.99 : 255,335.16 = 113,387.18 : x - Step 2: Convert to fraction form
185,020.99/255,335.16 = 113,387.18/x - Step 3: Cross multiply
185,020.99x = 255,335.16 × 113,387.18 - Step 4: Simplify right side
185,020.99x = 28,951,732,187.11 - Step 5: Solve for x
x = 28,951,732,187.11/185,020.99 - Step 6: Final answer
x = 156,478.09
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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.