Finding the Fourth Proportional to 291,983.13, 402,964.98 and 177,235.39
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Solution
The fourth proportional to 291,983.13, 402,964.98 and 177,235.39 is: 244,601.99
Step by Step Solution
- Step 1: Write the proportion equation
291,983.13 : 402,964.98 = 177,235.39 : x - Step 2: Convert to fraction form
291,983.13/402,964.98 = 177,235.39/x - Step 3: Cross multiply
291,983.13x = 402,964.98 × 177,235.39 - Step 4: Simplify right side
291,983.13x = 71,419,655,225.72 - Step 5: Solve for x
x = 71,419,655,225.72/291,983.13 - Step 6: Final answer
x = 244,601.99
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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.