Finding the Fourth Proportional to 492,308.79, 738,397.58 and 137,293.08
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Solution
The fourth proportional to 492,308.79, 738,397.58 and 137,293.08 is: 205,921.32
Step by Step Solution
- Step 1: Write the proportion equation
492,308.79 : 738,397.58 = 137,293.08 : x - Step 2: Convert to fraction form
492,308.79/738,397.58 = 137,293.08/x - Step 3: Cross multiply
492,308.79x = 738,397.58 × 137,293.08 - Step 4: Simplify right side
492,308.79x = 101,376,877,336.28 - Step 5: Solve for x
x = 101,376,877,336.28/492,308.79 - Step 6: Final answer
x = 205,921.32
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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.