Finding the Fourth Proportional to 319,533.30, 440,955.99 and 176,293.68
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Solution
The fourth proportional to 319,533.30, 440,955.99 and 176,293.68 is: 243,285.30
Step by Step Solution
- Step 1: Write the proportion equation
319,533.30 : 440,955.99 = 176,293.68 : x - Step 2: Convert to fraction form
319,533.30/440,955.99 = 176,293.68/x - Step 3: Cross multiply
319,533.30x = 440,955.99 × 176,293.68 - Step 4: Simplify right side
319,533.30x = 77,737,754,195.14 - Step 5: Solve for x
x = 77,737,754,195.14/319,533.30 - Step 6: Final answer
x = 243,285.30
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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.