Finding the Fourth Proportional to 496,885.08, 685,718.28 and 279,132.18
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Solution
The fourth proportional to 496,885.08, 685,718.28 and 279,132.18 is: 385,211.89
Step by Step Solution
- Step 1: Write the proportion equation
496,885.08 : 685,718.28 = 279,132.18 : x - Step 2: Convert to fraction form
496,885.08/685,718.28 = 279,132.18/x - Step 3: Cross multiply
496,885.08x = 685,718.28 × 279,132.18 - Step 4: Simplify right side
496,885.08x = 191,406,038,362.25 - Step 5: Solve for x
x = 191,406,038,362.25/496,885.08 - Step 6: Final answer
x = 385,211.89
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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.