Finding the Fourth Proportional to 318,784.58, 439,896.12 and 175,552.28
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Solution
The fourth proportional to 318,784.58, 439,896.12 and 175,552.28 is: 242,247.50
Step by Step Solution
- Step 1: Write the proportion equation
318,784.58 : 439,896.12 = 175,552.28 : x - Step 2: Convert to fraction form
318,784.58/439,896.12 = 175,552.28/x - Step 3: Cross multiply
318,784.58x = 439,896.12 × 175,552.28 - Step 4: Simplify right side
318,784.58x = 77,224,766,829.15 - Step 5: Solve for x
x = 77,224,766,829.15/318,784.58 - Step 6: Final answer
x = 242,247.50
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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.