Finding the Fourth Proportional to 549,837.99, 824,245.74 and 213,098.31
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Solution
The fourth proportional to 549,837.99, 824,245.74 and 213,098.31 is: 319,449.32
Step by Step Solution
- Step 1: Write the proportion equation
549,837.99 : 824,245.74 = 213,098.31 : x - Step 2: Convert to fraction form
549,837.99/824,245.74 = 213,098.31/x - Step 3: Cross multiply
549,837.99x = 824,245.74 × 213,098.31 - Step 4: Simplify right side
549,837.99x = 175,645,374,218.70 - Step 5: Solve for x
x = 175,645,374,218.70/549,837.99 - Step 6: Final answer
x = 319,449.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.