Finding the Fourth Proportional to 291,944.14, 402,882.74 and 157,808.14
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Solution
The fourth proportional to 291,944.14, 402,882.74 and 157,808.14 is: 217,775.14
Step by Step Solution
- Step 1: Write the proportion equation
291,944.14 : 402,882.74 = 157,808.14 : x - Step 2: Convert to fraction form
291,944.14/402,882.74 = 157,808.14/x - Step 3: Cross multiply
291,944.14x = 402,882.74 × 157,808.14 - Step 4: Simplify right side
291,944.14x = 63,578,175,048.46 - Step 5: Solve for x
x = 63,578,175,048.46/291,944.14 - Step 6: Final answer
x = 217,775.14
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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.