Finding the Fourth Proportional to 291,909.26, 438,027.93 and 158,798.84
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Solution
The fourth proportional to 291,909.26, 438,027.93 and 158,798.84 is: 238,287.49
Step by Step Solution
- Step 1: Write the proportion equation
291,909.26 : 438,027.93 = 158,798.84 : x - Step 2: Convert to fraction form
291,909.26/438,027.93 = 158,798.84/x - Step 3: Cross multiply
291,909.26x = 438,027.93 × 158,798.84 - Step 4: Simplify right side
291,909.26x = 69,558,324,981.46 - Step 5: Solve for x
x = 69,558,324,981.46/291,909.26 - Step 6: Final answer
x = 238,287.49
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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.