Finding the Fourth Proportional to 539,904.48, 745,074.18 and 298,181.44
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Solution
The fourth proportional to 539,904.48, 745,074.18 and 298,181.44 is: 411,493.70
Step by Step Solution
- Step 1: Write the proportion equation
539,904.48 : 745,074.18 = 298,181.44 : x - Step 2: Convert to fraction form
539,904.48/745,074.18 = 298,181.44/x - Step 3: Cross multiply
539,904.48x = 745,074.18 × 298,181.44 - Step 4: Simplify right side
539,904.48x = 222,167,291,899.22 - Step 5: Solve for x
x = 222,167,291,899.22/539,904.48 - Step 6: Final answer
x = 411,493.70
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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.