Finding the Fourth Proportional to 652,129.30, 978,193.95 and 372,193.30
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Solution
The fourth proportional to 652,129.30, 978,193.95 and 372,193.30 is: 558,289.95
Step by Step Solution
- Step 1: Write the proportion equation
652,129.30 : 978,193.95 = 372,193.30 : x - Step 2: Convert to fraction form
652,129.30/978,193.95 = 372,193.30/x - Step 3: Cross multiply
652,129.30x = 978,193.95 × 372,193.30 - Step 4: Simplify right side
652,129.30x = 364,077,234,290.54 - Step 5: Solve for x
x = 364,077,234,290.54/652,129.30 - Step 6: Final answer
x = 558,289.95
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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.