Finding the Fourth Proportional to 291,485.05, 402,243.98 and 158,879.00
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Solution
The fourth proportional to 291,485.05, 402,243.98 and 158,879.00 is: 219,250.09
Step by Step Solution
- Step 1: Write the proportion equation
291,485.05 : 402,243.98 = 158,879.00 : x - Step 2: Convert to fraction form
291,485.05/402,243.98 = 158,879.00/x - Step 3: Cross multiply
291,485.05x = 402,243.98 × 158,879.00 - Step 4: Simplify right side
291,485.05x = 63,908,121,509.63 - Step 5: Solve for x
x = 63,908,121,509.63/291,485.05 - Step 6: Final answer
x = 219,250.09
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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.