Finding the Fourth Proportional to 353,937.60, 528,232.41 and 329,939.69
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Solution
The fourth proportional to 353,937.60, 528,232.41 and 329,939.69 is: 492,416.84
Step by Step Solution
- Step 1: Write the proportion equation
353,937.60 : 528,232.41 = 329,939.69 : x - Step 2: Convert to fraction form
353,937.60/528,232.41 = 329,939.69/x - Step 3: Cross multiply
353,937.60x = 528,232.41 × 329,939.69 - Step 4: Simplify right side
353,937.60x = 174,284,834,962.19 - Step 5: Solve for x
x = 174,284,834,962.19/353,937.60 - Step 6: Final answer
x = 492,416.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.