Finding the Fourth Proportional to 291,605.04, 436,774.62 and 141,529.92
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Solution
The fourth proportional to 291,605.04, 436,774.62 and 141,529.92 is: 211,987.68
Step by Step Solution
- Step 1: Write the proportion equation
291,605.04 : 436,774.62 = 141,529.92 : x - Step 2: Convert to fraction form
291,605.04/436,774.62 = 141,529.92/x - Step 3: Cross multiply
291,605.04x = 436,774.62 × 141,529.92 - Step 4: Simplify right side
291,605.04x = 61,816,677,026.63 - Step 5: Solve for x
x = 61,816,677,026.63/291,605.04 - Step 6: Final answer
x = 211,987.68
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1.5x scale
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.