Finding the Fourth Proportional to 286,058.94, 395,235.99 and 226,089.42
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Solution
The fourth proportional to 286,058.94, 395,235.99 and 226,089.42 is: 312,378.55
Step by Step Solution
- Step 1: Write the proportion equation
286,058.94 : 395,235.99 = 226,089.42 : x - Step 2: Convert to fraction form
286,058.94/395,235.99 = 226,089.42/x - Step 3: Cross multiply
286,058.94x = 395,235.99 × 226,089.42 - Step 4: Simplify right side
286,058.94x = 89,358,675,742.23 - Step 5: Solve for x
x = 89,358,675,742.23/286,058.94 - Step 6: Final answer
x = 312,378.55
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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.