Finding the Fourth Proportional to 319,026.42, 478,622.70 and 119,362.41
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Solution
The fourth proportional to 319,026.42, 478,622.70 and 119,362.41 is: 179,074.70
Step by Step Solution
- Step 1: Write the proportion equation
319,026.42 : 478,622.70 = 119,362.41 : x - Step 2: Convert to fraction form
319,026.42/478,622.70 = 119,362.41/x - Step 3: Cross multiply
319,026.42x = 478,622.70 × 119,362.41 - Step 4: Simplify right side
319,026.42x = 57,129,558,952.71 - Step 5: Solve for x
x = 57,129,558,952.71/319,026.42 - Step 6: Final answer
x = 179,074.70
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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.