Finding the Fourth Proportional to 307,408.14, 424,223.58 and 169,583.94
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Solution
The fourth proportional to 307,408.14, 424,223.58 and 169,583.94 is: 234,026.03
Step by Step Solution
- Step 1: Write the proportion equation
307,408.14 : 424,223.58 = 169,583.94 : x - Step 2: Convert to fraction form
307,408.14/424,223.58 = 169,583.94/x - Step 3: Cross multiply
307,408.14x = 424,223.58 × 169,583.94 - Step 4: Simplify right side
307,408.14x = 71,941,506,137.31 - Step 5: Solve for x
x = 71,941,506,137.31/307,408.14 - Step 6: Final answer
x = 234,026.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.