Finding the Fourth Proportional to 319,185.08, 440,475.30 and 175,947.53
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Solution
The fourth proportional to 319,185.08, 440,475.30 and 175,947.53 is: 242,807.53
Step by Step Solution
- Step 1: Write the proportion equation
319,185.08 : 440,475.30 = 175,947.53 : x - Step 2: Convert to fraction form
319,185.08/440,475.30 = 175,947.53/x - Step 3: Cross multiply
319,185.08x = 440,475.30 × 175,947.53 - Step 4: Simplify right side
319,185.08x = 77,500,541,061.01 - Step 5: Solve for x
x = 77,500,541,061.01/319,185.08 - Step 6: Final answer
x = 242,807.53
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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.