Finding the Fourth Proportional to 347,813.99, 479,845.11 and 216,914.63
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Solution
The fourth proportional to 347,813.99, 479,845.11 and 216,914.63 is: 299,256.01
Step by Step Solution
- Step 1: Write the proportion equation
347,813.99 : 479,845.11 = 216,914.63 : x - Step 2: Convert to fraction form
347,813.99/479,845.11 = 216,914.63/x - Step 3: Cross multiply
347,813.99x = 479,845.11 × 216,914.63 - Step 4: Simplify right side
347,813.99x = 104,085,426,955.86 - Step 5: Solve for x
x = 104,085,426,955.86/347,813.99 - Step 6: Final answer
x = 299,256.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.