Finding the Fourth Proportional to 346,408.84, 478,091.73 and 203,215.02
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Solution
The fourth proportional to 346,408.84, 478,091.73 and 203,215.02 is: 280,464.61
Step by Step Solution
- Step 1: Write the proportion equation
346,408.84 : 478,091.73 = 203,215.02 : x - Step 2: Convert to fraction form
346,408.84/478,091.73 = 203,215.02/x - Step 3: Cross multiply
346,408.84x = 478,091.73 × 203,215.02 - Step 4: Simplify right side
346,408.84x = 97,155,420,473.78 - Step 5: Solve for x
x = 97,155,420,473.78/346,408.84 - Step 6: Final answer
x = 280,464.61
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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.