Finding the Fourth Proportional to 291,167.20, 436,603.10 and 133,260.40
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Solution
The fourth proportional to 291,167.20, 436,603.10 and 133,260.40 is: 199,823.00
Step by Step Solution
- Step 1: Write the proportion equation
291,167.20 : 436,603.10 = 133,260.40 : x - Step 2: Convert to fraction form
291,167.20/436,603.10 = 133,260.40/x - Step 3: Cross multiply
291,167.20x = 436,603.10 × 133,260.40 - Step 4: Simplify right side
291,167.20x = 58,181,903,747.24 - Step 5: Solve for x
x = 58,181,903,747.24/291,167.20 - Step 6: Final answer
x = 199,823.00
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1.5x scale
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.