Finding the Fourth Proportional to 401,132.22, 553,569.58 and 219,832.08
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Solution
The fourth proportional to 401,132.22, 553,569.58 and 219,832.08 is: 303,372.17
Step by Step Solution
- Step 1: Write the proportion equation
401,132.22 : 553,569.58 = 219,832.08 : x - Step 2: Convert to fraction form
401,132.22/553,569.58 = 219,832.08/x - Step 3: Cross multiply
401,132.22x = 553,569.58 × 219,832.08 - Step 4: Simplify right side
401,132.22x = 121,692,352,196.13 - Step 5: Solve for x
x = 121,692,352,196.13/401,132.22 - Step 6: Final answer
x = 303,372.17
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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.