Finding the Fourth Proportional to 319,137.81, 478,852.01 and 119,473.74
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Solution
The fourth proportional to 319,137.81, 478,852.01 and 119,473.74 is: 179,265.00
Step by Step Solution
- Step 1: Write the proportion equation
319,137.81 : 478,852.01 = 119,473.74 : x - Step 2: Convert to fraction form
319,137.81/478,852.01 = 119,473.74/x - Step 3: Cross multiply
319,137.81x = 478,852.01 × 119,473.74 - Step 4: Simplify right side
319,137.81x = 57,210,240,541.22 - Step 5: Solve for x
x = 57,210,240,541.22/319,137.81 - Step 6: Final answer
x = 179,265.00
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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.