Finding the Fourth Proportional to 372,458.25, 558,692.50 and 106,218.79
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Solution
The fourth proportional to 372,458.25, 558,692.50 and 106,218.79 is: 159,329.65
Step by Step Solution
- Step 1: Write the proportion equation
372,458.25 : 558,692.50 = 106,218.79 : x - Step 2: Convert to fraction form
372,458.25/558,692.50 = 106,218.79/x - Step 3: Cross multiply
372,458.25x = 558,692.50 × 106,218.79 - Step 4: Simplify right side
372,458.25x = 59,343,641,332.08 - Step 5: Solve for x
x = 59,343,641,332.08/372,458.25 - Step 6: Final answer
x = 159,329.65
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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.