Finding the Fourth Proportional to 492,365.08, 738,547.62 and 155,642.26
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Solution
The fourth proportional to 492,365.08, 738,547.62 and 155,642.26 is: 233,463.39
Step by Step Solution
- Step 1: Write the proportion equation
492,365.08 : 738,547.62 = 155,642.26 : x - Step 2: Convert to fraction form
492,365.08/738,547.62 = 155,642.26/x - Step 3: Cross multiply
492,365.08x = 738,547.62 × 155,642.26 - Step 4: Simplify right side
492,365.08x = 114,949,220,694.42 - Step 5: Solve for x
x = 114,949,220,694.42/492,365.08 - Step 6: Final answer
x = 233,463.39
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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.