Finding the Fourth Proportional to 399,136.64, 597,853.74 and 322,908.08
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Solution
The fourth proportional to 399,136.64, 597,853.74 and 322,908.08 is: 483,673.47
Step by Step Solution
- Step 1: Write the proportion equation
399,136.64 : 597,853.74 = 322,908.08 : x - Step 2: Convert to fraction form
399,136.64/597,853.74 = 322,908.08/x - Step 3: Cross multiply
399,136.64x = 597,853.74 × 322,908.08 - Step 4: Simplify right side
399,136.64x = 193,051,803,304.22 - Step 5: Solve for x
x = 193,051,803,304.22/399,136.64 - Step 6: Final answer
x = 483,673.47
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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.