Finding the Fourth Proportional to 291,020.83, 436,731.68 and 101,482.63
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Solution
The fourth proportional to 291,020.83, 436,731.68 and 101,482.63 is: 152,293.84
Step by Step Solution
- Step 1: Write the proportion equation
291,020.83 : 436,731.68 = 101,482.63 : x - Step 2: Convert to fraction form
291,020.83/436,731.68 = 101,482.63/x - Step 3: Cross multiply
291,020.83x = 436,731.68 × 101,482.63 - Step 4: Simplify right side
291,020.83x = 44,320,678,983.31 - Step 5: Solve for x
x = 44,320,678,983.31/291,020.83 - Step 6: Final answer
x = 152,293.84
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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.