Finding the Fourth Proportional to 457,026.50, 630,692.19 and 263,363.06
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Solution
The fourth proportional to 457,026.50, 630,692.19 and 263,363.06 is: 363,438.50
Step by Step Solution
- Step 1: Write the proportion equation
457,026.50 : 630,692.19 = 263,363.06 : x - Step 2: Convert to fraction form
457,026.50/630,692.19 = 263,363.06/x - Step 3: Cross multiply
457,026.50x = 630,692.19 × 263,363.06 - Step 4: Simplify right side
457,026.50x = 166,101,026,653.23 - Step 5: Solve for x
x = 166,101,026,653.23/457,026.50 - Step 6: Final answer
x = 363,438.50
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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.