Finding the Fourth Proportional to 352,136.40, 528,228.92 and 141,774.80
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Solution
The fourth proportional to 352,136.40, 528,228.92 and 141,774.80 is: 212,671.99
Step by Step Solution
- Step 1: Write the proportion equation
352,136.40 : 528,228.92 = 141,774.80 : x - Step 2: Convert to fraction form
352,136.40/528,228.92 = 141,774.80/x - Step 3: Cross multiply
352,136.40x = 528,228.92 × 141,774.80 - Step 4: Simplify right side
352,136.40x = 74,889,549,487.22 - Step 5: Solve for x
x = 74,889,549,487.22/352,136.40 - Step 6: Final answer
x = 212,671.99
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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.