Finding the Fourth Proportional to 745,408.70, 1,118,113.05 and 184,443.20
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Solution
The fourth proportional to 745,408.70, 1,118,113.05 and 184,443.20 is: 276,664.80
Step by Step Solution
- Step 1: Write the proportion equation
745,408.70 : 1,118,113.05 = 184,443.20 : x - Step 2: Convert to fraction form
745,408.70/1,118,113.05 = 184,443.20/x - Step 3: Cross multiply
745,408.70x = 1,118,113.05 × 184,443.20 - Step 4: Simplify right side
745,408.70x = 206,228,348,903.76 - Step 5: Solve for x
x = 206,228,348,903.76/745,408.70 - Step 6: Final answer
x = 276,664.80
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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.