Finding the Fourth Proportional to 403,537.80, 556,840.95 and 248,464.47
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Solution
The fourth proportional to 403,537.80, 556,840.95 and 248,464.47 is: 342,855.59
Step by Step Solution
- Step 1: Write the proportion equation
403,537.80 : 556,840.95 = 248,464.47 : x - Step 2: Convert to fraction form
403,537.80/556,840.95 = 248,464.47/x - Step 3: Cross multiply
403,537.80x = 556,840.95 × 248,464.47 - Step 4: Simplify right side
403,537.80x = 138,355,191,516.05 - Step 5: Solve for x
x = 138,355,191,516.05/403,537.80 - Step 6: Final answer
x = 342,855.59
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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.