Finding the Fourth Proportional to 291,692.80, 402,574.08 and 164,392.96
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Solution
The fourth proportional to 291,692.80, 402,574.08 and 164,392.96 is: 226,883.71
Step by Step Solution
- Step 1: Write the proportion equation
291,692.80 : 402,574.08 = 164,392.96 : x - Step 2: Convert to fraction form
291,692.80/402,574.08 = 164,392.96/x - Step 3: Cross multiply
291,692.80x = 402,574.08 × 164,392.96 - Step 4: Simplify right side
291,692.80x = 66,180,344,630.48 - Step 5: Solve for x
x = 66,180,344,630.48/291,692.80 - Step 6: Final answer
x = 226,883.71
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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.