Finding the Fourth Proportional to 492,312.79, 738,403.57 and 137,297.08
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Solution
The fourth proportional to 492,312.79, 738,403.57 and 137,297.08 is: 205,927.32
Step by Step Solution
- Step 1: Write the proportion equation
492,312.79 : 738,403.57 = 137,297.08 : x - Step 2: Convert to fraction form
492,312.79/738,403.57 = 137,297.08/x - Step 3: Cross multiply
492,312.79x = 738,403.57 × 137,297.08 - Step 4: Simplify right side
492,312.79x = 101,380,654,022.58 - Step 5: Solve for x
x = 101,380,654,022.58/492,312.79 - Step 6: Final answer
x = 205,927.32
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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.