Finding the Fourth Proportional to 346,290.15, 519,464.79 and 121,630.98
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Solution
The fourth proportional to 346,290.15, 519,464.79 and 121,630.98 is: 182,456.85
Step by Step Solution
- Step 1: Write the proportion equation
346,290.15 : 519,464.79 = 121,630.98 : x - Step 2: Convert to fraction form
346,290.15/519,464.79 = 121,630.98/x - Step 3: Cross multiply
346,290.15x = 519,464.79 × 121,630.98 - Step 4: Simplify right side
346,290.15x = 63,183,011,483.19 - Step 5: Solve for x
x = 63,183,011,483.19/346,290.15 - Step 6: Final answer
x = 182,456.85
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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.