Finding the Fourth Proportional to 549,736.16, 824,800.80 and 339,128.96
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Solution
The fourth proportional to 549,736.16, 824,800.80 and 339,128.96 is: 508,814.70
Step by Step Solution
- Step 1: Write the proportion equation
549,736.16 : 824,800.80 = 339,128.96 : x - Step 2: Convert to fraction form
549,736.16/824,800.80 = 339,128.96/x - Step 3: Cross multiply
549,736.16x = 824,800.80 × 339,128.96 - Step 4: Simplify right side
549,736.16x = 279,713,837,511.17 - Step 5: Solve for x
x = 279,713,837,511.17/549,736.16 - Step 6: Final answer
x = 508,814.70
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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.