Finding the Fourth Proportional to 493,937.04, 681,845.40 and 356,224.08
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Solution
The fourth proportional to 493,937.04, 681,845.40 and 356,224.08 is: 491,742.33
Step by Step Solution
- Step 1: Write the proportion equation
493,937.04 : 681,845.40 = 356,224.08 : x - Step 2: Convert to fraction form
493,937.04/681,845.40 = 356,224.08/x - Step 3: Cross multiply
493,937.04x = 681,845.40 × 356,224.08 - Step 4: Simplify right side
493,937.04x = 242,889,750,317.23 - Step 5: Solve for x
x = 242,889,750,317.23/493,937.04 - Step 6: Final answer
x = 491,742.33
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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.