Finding the Fourth Proportional to 346,038.84, 477,235.26 and 225,135.96
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Solution
The fourth proportional to 346,038.84, 477,235.26 and 225,135.96 is: 310,493.52
Step by Step Solution
- Step 1: Write the proportion equation
346,038.84 : 477,235.26 = 225,135.96 : x - Step 2: Convert to fraction form
346,038.84/477,235.26 = 225,135.96/x - Step 3: Cross multiply
346,038.84x = 477,235.26 × 225,135.96 - Step 4: Simplify right side
346,038.84x = 107,442,818,405.95 - Step 5: Solve for x
x = 107,442,818,405.95/346,038.84 - Step 6: Final answer
x = 310,493.52
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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.