Finding the Fourth Proportional to 399,005.93, 598,729.22 and 162,515.09
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Solution
The fourth proportional to 399,005.93, 598,729.22 and 162,515.09 is: 243,862.37
Step by Step Solution
- Step 1: Write the proportion equation
399,005.93 : 598,729.22 = 162,515.09 : x - Step 2: Convert to fraction form
399,005.93/598,729.22 = 162,515.09/x - Step 3: Cross multiply
399,005.93x = 598,729.22 × 162,515.09 - Step 4: Simplify right side
399,005.93x = 97,302,533,073.93 - Step 5: Solve for x
x = 97,302,533,073.93/399,005.93 - Step 6: Final answer
x = 243,862.37
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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.