Finding the Fourth Proportional to 250,348.40, 375,038.70 and 139,203.44
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Solution
The fourth proportional to 250,348.40, 375,038.70 and 139,203.44 is: 208,536.09
Step by Step Solution
- Step 1: Write the proportion equation
250,348.40 : 375,038.70 = 139,203.44 : x - Step 2: Convert to fraction form
250,348.40/375,038.70 = 139,203.44/x - Step 3: Cross multiply
250,348.40x = 375,038.70 × 139,203.44 - Step 4: Simplify right side
250,348.40x = 52,206,677,173.13 - Step 5: Solve for x
x = 52,206,677,173.13/250,348.40 - Step 6: Final answer
x = 208,536.09
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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.