Finding the Fourth Proportional to 401,264.91, 553,654.62 and 272,220.99
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Solution
The fourth proportional to 401,264.91, 553,654.62 and 272,220.99 is: 375,603.26
Step by Step Solution
- Step 1: Write the proportion equation
401,264.91 : 553,654.62 = 272,220.99 : x - Step 2: Convert to fraction form
401,264.91/553,654.62 = 272,220.99/x - Step 3: Cross multiply
401,264.91x = 553,654.62 × 272,220.99 - Step 4: Simplify right side
401,264.91x = 150,716,408,774.47 - Step 5: Solve for x
x = 150,716,408,774.47/401,264.91 - Step 6: Final answer
x = 375,603.26
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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.