Finding the Fourth Proportional to 318,349.98, 439,313.72 and 175,109.99
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Solution
The fourth proportional to 318,349.98, 439,313.72 and 175,109.99 is: 241,646.69
Step by Step Solution
- Step 1: Write the proportion equation
318,349.98 : 439,313.72 = 175,109.99 : x - Step 2: Convert to fraction form
318,349.98/439,313.72 = 175,109.99/x - Step 3: Cross multiply
318,349.98x = 439,313.72 × 175,109.99 - Step 4: Simplify right side
318,349.98x = 76,928,218,043.94 - Step 5: Solve for x
x = 76,928,218,043.94/318,349.98 - Step 6: Final answer
x = 241,646.69
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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.