Finding the Fourth Proportional to 292,809.48, 439,257.84 and 93,136.32
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Solution
The fourth proportional to 292,809.48, 439,257.84 and 93,136.32 is: 139,718.35
Step by Step Solution
- Step 1: Write the proportion equation
292,809.48 : 439,257.84 = 93,136.32 : x - Step 2: Convert to fraction form
292,809.48/439,257.84 = 93,136.32/x - Step 3: Cross multiply
292,809.48x = 439,257.84 × 93,136.32 - Step 4: Simplify right side
292,809.48x = 40,910,858,748.75 - Step 5: Solve for x
x = 40,910,858,748.75/292,809.48 - Step 6: Final answer
x = 139,718.35
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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.