Finding the Fourth Proportional to 400,973.24, 553,343.06 and 219,692.05
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Solution
The fourth proportional to 400,973.24, 553,343.06 and 219,692.05 is: 303,175.02
Step by Step Solution
- Step 1: Write the proportion equation
400,973.24 : 553,343.06 = 219,692.05 : x - Step 2: Convert to fraction form
400,973.24/553,343.06 = 219,692.05/x - Step 3: Cross multiply
400,973.24x = 553,343.06 × 219,692.05 - Step 4: Simplify right side
400,973.24x = 121,565,069,546.70 - Step 5: Solve for x
x = 121,565,069,546.70/400,973.24 - Step 6: Final answer
x = 303,175.02
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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.