Finding the Fourth Proportional to 401,257.96, 553,775.58 and 229,201.63
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Solution
The fourth proportional to 401,257.96, 553,775.58 and 229,201.63 is: 316,320.87
Step by Step Solution
- Step 1: Write the proportion equation
401,257.96 : 553,775.58 = 229,201.63 : x - Step 2: Convert to fraction form
401,257.96/553,775.58 = 229,201.63/x - Step 3: Cross multiply
401,257.96x = 553,775.58 × 229,201.63 - Step 4: Simplify right side
401,257.96x = 126,926,265,590.20 - Step 5: Solve for x
x = 126,926,265,590.20/401,257.96 - Step 6: Final answer
x = 316,320.87
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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.