Finding the Fourth Proportional to 490,129.93, 735,482.66 and 205,798.62
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Solution
The fourth proportional to 490,129.93, 735,482.66 and 205,798.62 is: 308,818.75
Step by Step Solution
- Step 1: Write the proportion equation
490,129.93 : 735,482.66 = 205,798.62 : x - Step 2: Convert to fraction form
490,129.93/735,482.66 = 205,798.62/x - Step 3: Cross multiply
490,129.93x = 735,482.66 × 205,798.62 - Step 4: Simplify right side
490,129.93x = 151,361,314,053.91 - Step 5: Solve for x
x = 151,361,314,053.91/490,129.93 - Step 6: Final answer
x = 308,818.75
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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.