Finding the Fourth Proportional to 452,191.68, 623,896.56 and 291,139.92
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Solution
The fourth proportional to 452,191.68, 623,896.56 and 291,139.92 is: 401,690.70
Step by Step Solution
- Step 1: Write the proportion equation
452,191.68 : 623,896.56 = 291,139.92 : x - Step 2: Convert to fraction form
452,191.68/623,896.56 = 291,139.92/x - Step 3: Cross multiply
452,191.68x = 623,896.56 × 291,139.92 - Step 4: Simplify right side
452,191.68x = 181,641,194,566.68 - Step 5: Solve for x
x = 181,641,194,566.68/452,191.68 - Step 6: Final answer
x = 401,690.70
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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.