Finding the Fourth Proportional to 157,437.12, 236,154.84 and 39,108.48
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Solution
The fourth proportional to 157,437.12, 236,154.84 and 39,108.48 is: 58,662.51
Step by Step Solution
- Step 1: Write the proportion equation
157,437.12 : 236,154.84 = 39,108.48 : x - Step 2: Convert to fraction form
157,437.12/236,154.84 = 39,108.48/x - Step 3: Cross multiply
157,437.12x = 236,154.84 × 39,108.48 - Step 4: Simplify right side
157,437.12x = 9,235,656,837.04 - Step 5: Solve for x
x = 9,235,656,837.04/157,437.12 - Step 6: Final answer
x = 58,662.51
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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.