Finding the Fourth Proportional to 549,840.74, 824,249.87 and 213,101.06
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Solution
The fourth proportional to 549,840.74, 824,249.87 and 213,101.06 is: 319,453.45
Step by Step Solution
- Step 1: Write the proportion equation
549,840.74 : 824,249.87 = 213,101.06 : x - Step 2: Convert to fraction form
549,840.74/824,249.87 = 213,101.06/x - Step 3: Cross multiply
549,840.74x = 824,249.87 × 213,101.06 - Step 4: Simplify right side
549,840.74x = 175,648,519,936.36 - Step 5: Solve for x
x = 175,648,519,936.36/549,840.74 - Step 6: Final answer
x = 319,453.45
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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.